on the lood-out for

• 注意； 警戒

on the lood-out for的用法和样例：

例句

1. Fasten on what the teacher is saying.
   注意听老师说。
2. The problem presented itself for their attention.
   那问题引起了他们的注意。
3. Keep a vigilant eye on the imperialist jackals.
   对帝国主义的走狗要保持警戒。
4. My reins also instruct me in the night seasons.
   我的心肠在夜间也警戒着我。