朋友们帮忙,请问“knock”的用法,主要说明下“knock on/at”和“knock into”的用法及区别，最好有例句！

朋友们帮忙,请问“knock”的用法,主要说明下“knock on/at”和“knock into”的用法及区别，最好有例句！
朋友们帮忙,请问“knock”的用法,
主要说明下“knock on/at”和“knock into”的用法及区别，最好有例句！

朋友们帮忙,请问“knock”的用法,主要说明下“knock on/at”和“knock into”的用法及区别，最好有例句！
knock
verb
[no obj.]strike a surface noisily to attract attention, especially when waiting to be let in through a door
（为引起注意,尤其是为进门而）敲,敲打
he strolled over and knocked on a door marked Enquiries.
他踱步过去,敲了标有“问讯处”的门.
■strike or thump together or against something
相撞,碰撞
my knees were knocking and my lips quivering.
我双膝打颤,嘴唇发抖.
■(of a motor or other engine) make a regular thumping or rattling noise, e.g. through pinking
（马达,引擎）发出碰撞声,发出爆发声
[with obj.]collide with (someone or something), giving them a hard blow
撞到,撞击
he deliberately ran against her, knocking her shoulder.
他故意贴着她跑,撞上她的肩膀.
[no obj.]he knocked into an elderly man with a walking stick.
他撞到了一个拄着拐杖的老年人.
■[with obj. and adverbial of direction]force to move or fall with a deliberate or accidental blow or collision
（有意或无意地）撞上
he'd knocked over a glass of water.
他撞翻了一杯水.
■injure or damage by striking
打伤,碰伤
she knocked her knee painfully on the table.
她的膝盖被桌子碰得很疼.
you have had a setback that has knocked your self-esteem.
你遇到了伤害你自尊心的挫折.
■make (a hole or a dent) in something by striking it forcefully
打出（洞,坑）
he suggests we knock a hole through the wall into the broom cupboard.
他建议我们打出一条从墙壁到扫帚柜的洞.
■demolish the barriers between (rooms or buildings)
敲掉（房屋、建筑之间的障碍）
two of the downstairs rooms had been knocked into one.
两间楼下的屋子已经被凿通成一间了.
■(informal)talk disparagingly about; criticize
(非正式)挑剔,批评
[with obj.](informal)approach (a specified age)
(非正式)达到（一定年龄）
he's younger than his brother—knocking seventy.
他比他哥哥年轻——快70岁了.
noun
a sudden short sound caused by a blow, especially on a door to attract attention or gain entry
敲打声,敲门声
■[mass noun]a continual thumping or rattling sound made by an engine
（发动机）爆发声
a blow or collision
撞击,碰撞
the casing is tough enough to withstand knocks.
包装很结实,足以抵抗碰撞.
■an injury caused by a blow or collision
打伤,撞伤
■a discouraging experience; a setback
挫折
the region's industries have taken a severe knock.
该地区的各种产业经历了一场严重挫折.
■(informal)a critical comment
(非正式)批评
(Cricket, informal)an innings, especially of an individual batsman
(板球 非正式)（尤指单个击球手的）击球
a splendid knock of 117 against Somerset.
117号对萨姆塞特的一个绝妙的击球.
常用词组
knock someone's block off
(informal)hit someone very hard in anger
(非正式)愤怒猛打
knock the bottom out of
见bottom
knock someone dead
(informal)greatly impress someone
(非正式)给某人留下深刻印象
knock someone for six
见six
knock people's heads together
见bang 条bang people's heads together
knock something into a cocked hat
见cocked hat
knock someone into the middle of next week
(informal)hit someone very hard
(非正式)对某人猛打
knock someone (或 something) into shape
见shape
knock it off
(informal)used to tell someone to stop doing something that one finds annoying or foolish
(非正式)〔用于告诉某人停止做烦人或愚蠢的事〕住手,别闹了
knock someone/thing on the head
stun or kill someone by a blow on the head
（打头部）打昏；打死
■(Brit. informal)prevent an idea, plan, or proposal from being developed or carried out
(英,非正式)扼杀（想法,计划或建议）
knock on wood
见wood 条touch wood
knock someone's socks off
见sock
knock spots off
(Brit. informal)easily outdo
(英,非正式)轻松地胜过
the school of hard knocks
painful or difficult experiences that are seen to be useful in teaching someone about life
（有教育意义的）困苦经历
you could have knocked me (或her, him,等) down with a feather
(informal)used to express great surprise
(非正式)我（她,他等）极为惊讶
语源
Old English cnocian, of imitative origin
继承用法
knock about (或around)
(informal)travel without a specific purpose
(非正式)漫游,漂泊
for a couple of years she and I knocked around the Mediterranean.
我和她在地中海漫游了两三年.
■happen to be present
碰巧在场
it gets confusing when there are too many people knocking about.
这么多的人碰巧在场,气氛显得混乱.
■(chiefly Brit.)spend time with someone
(主英)陪伴（某人）
she knocked around with artists.
她陪着艺术家们.
knock someone/thing about (或around)
injure or damage by rough treatment
（因粗暴对待而）损害,伤害
knock someone back
Brit. informal
英,非正式
reject or discourage a person or their request or suggestion
拒绝某人,挫伤某人
cost someone a specified, typically large, amount of money
花掉某人一大笔钱
buying that house must have knocked them back a bit.
买下那幢房子一定花费了他们一大笔钱.
knock something back
(informal)consume a drink quickly and entirely
(非正式)（快速地）喝下,喝掉
work risen dough by vigorous kneading to expel air before baking
（烘烤前）揉发好的面团
knock someone down
(of a person or vehicle) strike or collide with someone so as to cause them to fall to the ground
（人,车辆）撞倒某人
knock something down
demolish a building
拆毁建筑
■take machinery or furniture to pieces for transportation
（为运输）拆开机器（或家具）
(at an auction) confirm the sale of an article to a bidder by a knock with a hammer
（拍卖中）确认买主,一锤定音
■(informal)reduce the price of an article
(非正式)减低产品价格
(US informal)earn a specified sum as a wage
(美,非正式)挣工资
(Austral./NZ informal)spend a pay cheque freely
(澳／新西兰,非正式)随意用工资付款
knock off
(informal)stop work
(非正式)停止工作,收工
knock someone off
(informal)kill someone
(非正式)杀死某人
(Brit. vulgar slang)have sexual intercourse with a woman
(英,粗俚)与（女人）性交
knock something off
(informal)produce a piece of work quickly and easily, especially to order
(非正式)（仓促草率地）作出,完成
(informal)deduct an amount from a total
(非正式)折扣
when the bill came they knocked off £600 because of a little scratch.
账单收到后,他们因一点擦痕减掉了600英镑.
(Brit. informal)steal something
(英,非正式)偷东西
■(N. Amer. informal)rob a shop or similar establishment
(北美,非正式)抢劫商店等
■(N. Amer. informal)make an illegal copy of a product
(北美,非正式)非法复制
(Cricket)score the total needed for victory
(板球)取得得胜分
there was plenty of time for the Middlesbrough batsmen to knock off the runs.
有足够的时间让米德尔斯布勒的击球手取得得胜分.
knock on
(informal)grow old
(非正式)变老
don't you think you're knocking on a bit for this.
你不认为你正为此变老吗?.
(亦作knock the ball on)(Rugby)illegally drive the ball with the hand or arm towards the opponents' goal line
(英橄)（犯规动作）以手或臂向前击球
knock someone out
■make a person unconscious, typically with a blow to the head
（尤指击头部）打昏
■knock down (a boxer) for a count of ten, thereby winning the contest
（拳击中）击倒对手（使其在10个数之内不能站起,从而取胜）
■defeat a competitor in a knockout competition
（淘汰赛中）击败对手
England had been knocked out of the World Cup.
英格兰已被淘汰出世界杯.
■(knock oneself out)(informal)work so hard that one is exhausted
(非正式)筋疲力尽
■(informal)astonish or greatly impress someone
(非正式)使震惊,给…留下深刻印象
knock something out
destroy a machine or damage it so that it stops working
破坏机器,使机器不能运转
■destroy or disable enemy installations or equipment
破坏（敌方装置设备),使（敌方装置设备）瘫痪
(informal)produce work at a steady fast rate
(非正式)快速地做
if you knock out a thousand words a day you'll soon have finished.
如果你每天写出 1,000字,你将会很快完成.
empty a tobacco pipe by tapping it against a surface
磕净（烟斗),敲空（烟斗）
(Austral./NZ informal)earn a specified sum of money
(澳／新西兰,非正式)赚（钱）
knock someone over
another way of saying knock someone down
同knock someone down
knock something over
(N. Amer. informal)rob a shop or similar establishment
(北美,非正式)抢劫（商店等）
knock someone sideways
(informal)astonish someone
(非正式)使震惊
knock something together
assemble something in a hasty and makeshift way
匆匆拼凑,草草做成
knock up
(Brit. informal)(in a racket game) practise before formal play begins
(英,非正式)（使用球拍的项目）赛前练习
knock someone up
(Brit.)wake or attract the attention of someone by knocking at their door
(英)敲门唤醒（或引人注意）
(informal, chiefly US)make a woman pregnant
(非正式主美)使怀孕
knock something up
(Brit.)make something in a hurry
(英)仓促制成
(Cricket)score runs rapidly
(板球)得分快速上升
现代英汉综合大辞典
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knock
[nɔk]
vt.
敲; 击; 打掉
相撞; 碰撞
[英俚]使感惊讶, 给...以强烈印象
[美俚]吹毛求疵; 找碴儿
敲门
knock sb. on the head
打某人的头
knock one's head against the door
把头撞到门上
knock the wall down
把墙拆除
knock sb. [sth.] into a cocked hat
(拳击时)把对方打倒使不能再起; 打坏, 打得鼻青眼肿; 挫败; 胜过; 推翻
knock the spots off (out of) sb.
痛打某人; 大大胜过某人
What knocks me is his impudence.
他的厚颜无耻使我感到吃惊.
词性变化
knock
vi.
敲, 击, 打(at, on)
碰, 撞
发抖; 发出爆击声
[美俚]找岔子, 说坏话
奔忙, 忙乱
The engine is knocking.
发动机发出敲击的声音.
Who is knocking?
谁在敲门?
knock
n.
敲; 打击; 一击
不幸; 倒霉; 讨厌的事
(机器由于故障发出的)爆击声; 爆击
【无】敲击信号
[美俚]指摘, 挑剔
[英俚](板球赛的)回合, 盘
[英俚]拍卖时互相勾结压价的集团; 有压价人捣乱的拍卖
a knock at the door
敲门声
a knock on the head
头上挨的一击
继承用法
knockabout
[ˈnɔkəbaʊt]
n.
单桅小帆船; 小游艇
喧闹的喜剧表演[演员]
粗[牢]的东西
厮打, 狠斗
流浪汉
词性变化
knock
adj.
吵[喧]闹的
(衣服)结实的
闲荡的, 流浪的
knock-down(-and)-drag-out
adj.
激烈而无情的
knock-knee
n.
【医】膝外翻; [pl. ]外翻膝
knock-kneed
adj.
"X"形腿的
knock-pin
n.
定位销, 顶销, 止顶; 顶出杆
knock-reducer
n.
抗爆剂
knock-sedative
adj.
抗震的
习惯用语
get the knock
喝醉; 被解雇; 被开除; 遭到失败
take the knocks
遭受挫折
喝醉
stand the knocks
遭受挫折
喝醉
knock about
接连打击(指拳击), (浪等)反复冲击(船只); (物等)碰撞; 粗暴对待(=knock around); [口]到处流浪, 漫游; 乱放东西
knock about with
同...厮混
与...乱搞男女关系
knock about together
同...厮混
与...乱搞男女关系
knock (up) against
碰撞; 同...冲突; 偶然遇见
knock back
一口喝掉; 花费, 用掉; 使...大吃一惊
knock down
打[撞]倒; 驳倒
把...撞入
(拍卖时)敲锤卖出
拆除, 拆开
[口]使降价
(与 for 连用)指名要求
[美俚]偷; 盗用(公款)
[美俚]赚钱, 挣(工资)
knock down and drag out
彻底战胜
激烈残酷的打仗
knock for six
[俚]使大吃一惊; 彻底击败
knock home
(把钉子等)敲进去, 钉到头; 彻底驳倒
knock in
(把钉子)钉入
knock into
把(某种知识)灌输给...
与...相撞
[口]偶然碰到(某人)
knock it off
[美俚]住嘴! 别吵了! 住手; 别胡闹了.
knock off
敲掉; 击倒
下班休息; 罢工
[口]匆忙写出; 即席作成(诗、文等)
降低(速度, 价格)
[美俚]杀死
偷, 抢
很快吃光
拘捕, 捉拿
赢得, 得到
knock oneself out
把自己弄得精疲力竭; 尽最大努力
knock out
敲出, 敲空(烟灰等)
击倒, 打昏
使震惊; 使高兴万分
匆匆写成(文章), 草草订出(计划)
使失去效能, 使无用; 破坏, 使...失败
(在比赛中)把...击败[淘汰]
【无】脱模
knock over
弄翻, 打倒
[美俚]袭击; 搜查; 逮捕
使心烦意乱, 使不知所措
完成, 干完
[美俚]抢劫
knock through
把(两个房间的隔墙)拆除, 打通
knock together
(使)互撞
草草做成
knock under
屈服; 服输, 投降
knock up
敲门叫醒
赶做; 匆匆安排
使精疲力尽
[英](板球赛中)很快得分
[美俚](指男人)与...通奸; 使受孕
(装订)弄齐(纸边)
knock up against
碰撞; 同...冲突; 偶然碰见
特殊用法
base knock
安全打
carbon knock
【机】积炭(引起的)爆震
compression knock
(内燃机的)压缩爆燃
gas knock
气体爆震[击]
main bearing knock
主轴承(由于间隙过大而引起的)敲击声
piston knock
活塞与缸套间(由于间隙过大而引起的)敲击声
piston pin knock
活塞销与销座间(由于间隙过大而引起的)敲击声
side knock
横向冲击, 活塞松动
spark knock
火花爆击, 提前点火爆震
trace knock
轻度爆震
牛津英语搭配词典
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knock
noun
firm sharp sound 敲击声

[搭配]ADJ.
loud, sharp
响亮的敲击声； 刺耳的敲击声
gentle, light
柔和的敲击声； 轻轻的敲击声
determined
坚定的敲击声
timid
胆怯的敲击声

[搭配]VERB + KNOCK
hear
听到敲击声
answer
响应敲击声:
She hurried to answer the knock at the door.
她听到敲门声急忙去开门.

[搭配]PHRASES
a knock at/on the door
敲门声:
There was a loud knock at the door.
有人大声敲门.
sharp blow from sth 击打

[搭配]ADJ.
（figurative） hard, nasty, severe
沉重的打击；猛击:
the hard knocks of life
对人生的沉重打击
minor
小打击

[搭配]VERB + KNOCK
get, have, take
受到击打；遭到碰撞:
You’ve had a nasty knock on the head.
你的头部受到了重重的一击.
（figurative）Their pride took quite a knock when they lost 5-0.
他们以0 比5 落败,自尊受到了沉重打击.
give sb/sth
给…一击

[搭配]PREP.
~ on
在…上的一击
基本词义
knock
verb
hit/bump 打；撞击

[搭配]ADV.
accidentally
意外碰撞:
I accidentally knocked the vase off the table.
我无意中碰落了桌上的花瓶.
about, aside, over
粗鲁地对待；打翻:
Her boyfriend had been knocking her about.
她男朋友一直虐待她.
Mind you don’t knock that glass over.
当心不要打翻那个玻璃杯.

[搭配]PREP.
against
撞击…:
The stick knocked against the wall.
棍子敲击墙壁.
off
从…打落:
He had knocked one of the pictures off the wall.
他打落了墙上的一幅画.
on
撞在…上:
I knocked my head on one of the beams.
我的头撞在了其中一根横梁上.

[搭配]PHRASES
knock sb/sth flying
打得…到处乱窜:
He was knocked flying as two policemen came crashing through the door.
两名警察破门而入时,他正被打得抱头鼠窜.
knock sb off their feet
把某人打倒在地:
The explosion knocked him off his feet.
爆炸将他击倒在地.
knock sb out/senseless/unconscious
把某人打昏:
The blow knocked him unconscious.
这一击将他打昏了.
knock sb to the ground
把某人打倒在地
bang on a door 敲门

[搭配]ADV.
loudly
大声敲门
softly
轻轻敲门
politely, timidly
礼貌地敲门；胆怯地敲门

[搭配]PREP.
at
敲…:
Someone knocked loudly at the door.
有人大声敲门.
on
敲…:
She knocked timidly on the study door and entered.
她小心翼翼地敲了敲书房门然后进去了.

[搭配]PHRASES
without knocking
没有敲门:
Dobson walked straight into her office without knocking.
多布森没敲门就迳直走进了她的办公室.
更加详细,请参看《英语常用词用法大词典》

不及物动词 vi.
1.相撞,碰击[(+against)]
His legs knocked against the chair.
他的两条腿撞到了椅子。
2.敲,击,打[(+on/at)]
He knocked at the door and entered.
他敲了敲门便走进去了。
3.(发动机等由于故障)发爆震声
及物...

全部展开

不及物动词 vi.
1.相撞,碰击[(+against)]
His legs knocked against the chair.
他的两条腿撞到了椅子。
2.敲,击,打[(+on/at)]
He knocked at the door and entered.
他敲了敲门便走进去了。
3.(发动机等由于故障)发爆震声
及物动词 vt.
1.敲,击,打[O]
The falling bottle knocked him on the head.
跌落的瓶子砸在他的头上。
2.击(撞)成...[O][O8]
The blow knocked her senseless.
那一击把她打昏了。
3.【口】批评,贬损
The critic knocked her latest novel.
那位批评家贬损她最新的那部小说。
名词 n. [C]
1.敲;击,打
When I fell I got a terrible knock on the head.
我摔倒时头撞得很厉害。
2.【口】不幸;挫折;艰苦
We have to take certain knocks in life.
我们在一生中总得遭受某些挫折。
3.爆震声
4.【美】【俚】指摘,挑剔

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