on the alert
英
[ɒn ðə ə'lɜːt]
美
[ɑːn ðə ə'lɜːrt]
- 注意; 提防; 警戒; 警惕着; 处于戒备状态
on the alert的用法和样例:
例句
- Fasten on what the teacher is saying.
注意听老师说。 - I noticed scores of sorrow on her face.
我注意到她脸上悲痛的痕迹。 - Be on the watch for thieves in this crowd.
提防人群中有小偷。 - Be sure to be watchful or alert.
必须留神,千万要提防。 - Keep a vigilant eye on the imperialist jackals.
对帝国主义的走狗要保持警戒。 - My reins also instruct me in the night seasons.
我的心肠在夜间也警戒着我。 - Wherever they went she was evidently always on the watch.
很明显,无论他们到什么地方,她时时刻刻都在警惕着。 - Knowing that danger threatened, they were on the alert.
因为知道可能会发生危险,他们处于戒备状态。 - These networks are on the alert for warning signs that show the weakening of rock layers that can precede an earthquake.
这些网络始终处于戒备状态,搜索地震前岩石可能松动的警告迹象。
词汇搭配
- put on the alert 处于戒备状态...