作业帮be on be on guardkeep guardstand guard意思都是相等的吗?可以做同义句转换吗?
来源：学生作业帮助网 编辑：作业帮 时间：2024/11/28 16:51:28
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be on be on guardkeep guardstand guard意思都是相等的吗?可以做同义句转换吗?
be on
be on guard
keep guard
stand guard
意思都是相等的吗?可以做同义句转换吗?
be on be on guardkeep guardstand guard意思都是相等的吗?可以做同义句转换吗?
on guard:
a.值班(警戒)
例句与用法:
1.While danger threatens we must all be on guard.
危险正逼近,我们必须保持警惕.
2.There are soldiers on guard at the gate.
大门口有士兵在守卫.
3.Be on guard when somebody flatters you.
有人奉承你时,一定要当心.
4.The citizens were warned to be on guard against a sudden night attack.
市民们得到通知,要提防夜间的突然袭击.
keep guard为“站岗”的意思
stand guard为“承担保卫”的意思
不相等
当心
保持警惕
守卫