beat against与knock against的区别分别怎么用呢?有没有固定搭配的?

beat against与knock against的区别分别怎么用呢?有没有固定搭配的? beat one's head against a wall什么意思啊 选择Birds ( )their wings as they fly on.A.hit B.beat C.knock D.strike struck、beat、knock的区别无 用正确的动词和连词改写以下句子I am very tall(so)(but)I must be careful.Doorways are often low(and)(but)I usually(beat)(knock)my head against them.My head always(hurts)(pains).I have never(met)(recognized)a tall architect.Have you? how many times did the clock___?A hit B beat C knock D strike新概念2的练习题 要有理由 beat,hit strick,tap,knock有什么区别? knock on与knock at的区别 Every number of the band must follow the ____.A．hit B．strike C．beat D．knock against a hit 与beat区别 knock knock knock knock knock knock beat around a bush