keep a close watch

基本解释

I keep a close watch on the timing to ensure I'm on time.
我和钟表保持一致以确保我是准时的。
In particular, smartphones and the applications that run on them generally keep a close watch on what users do.
尤为突出的是，智能手机与运行于手机中的应用程序通常都紧密地观察着用户的所作所为。
Some use them to keep a close watch on the demand for their line of work or gather information on compensation to arm themselves when negotiating for a raise. (NETEM 2004, Text 1, Paragraph 5)
有些人利用搜索代理密切观察对于本行业的需求或搜集有关加薪的信息以备增薪谈判时胸有成竹。

Well,I think it's that governments around the Gulf do actually keep a very close watch on their populations and on people coming in and out of their countries.

But are signs effective at reminding distracted parents to keep a close watch on their children?
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Montreal referee Yves Lavigne then moved over to keep a close watch on the challenger.
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Like any shift, it is important to keep a close watch on how it impacts your small business.
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