作业帮 > 英语 > 作业

有没有on guard

来源:学生作业帮 编辑:大师作文网作业帮 分类:英语作业 时间:2024/11/11 07:01:07
有没有on guard
有没有on guard
on guard
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.