keep an eye on
成語所屬單字keep
keep an eye on — 慣用語
1. to watch someone or something carefully, especially to make sure they are safe o
1.慣用語
釋義
留意；照看
to watch someone or something carefully, especially to make sure they are safe or to prevent problems
例句
Could you keep an eye on the baby while I go and answer the door?
The security guard keeps an eye on the car park cameras throughout the night.