keep an eye upon

• vt. 照管(密切注视)

keep an eye upon的用法和样例：

例句

用作及物动词 (vt.)

1. Could you keep an eye on my suitcase for a moment?
   你能给我照管一会儿手提箱吗？
2. He keeps a fatherly eye on his players.
   他像父亲一样照管着他的球员。