Keep an eye out for

• v. 注意；提防

keep an eye out for的用法和样例：

例句

用作动词 (v.)

1. It's always best to keep an eye out for your pet.
   多注意你的宠物总是比较好。
2. Their appeal for help went unheeded.
   他们求助的呼吁未受到注意。
3. Be on the watch for thieves in this crowd.
   提防人群中有小偷。
4. You must keep the little boy from hurting himself.
   你一定要提防那小男孩伤了自己。