Keep an Eye on.
密切注視
It means to watch or to take care of something.
該短語意思是注視或者照顧某事某物
Paul kept an eye on his younger brother in the mall.
保羅在商場(chǎng)看著他的弟弟
Will you keep an eye on my bag while I buy something?
我去買東西的時(shí)候你能幫我看一下包嗎
The teacher kept an eye on her students during the test.
考試中,老師監(jiān)視著他的學(xué)生