I work out regularly to keep fit.

我经常做运动以保持健康。

《牛津词典》

My family helps to keep me centred.

家人帮助我保持冷静。

《牛津词典》

Eleanor began to keep a diary.

埃莉诺开始记日记了。

《柯林斯英汉双解大词典》

The legislature would have the power to keep the territory open to slavery and,in time,help it become a slave state.

VOA: special.2009.04.30

So there's all sorts of things that we have to obviously monitor, to keep track of that can influence our industry.

所以我们要观察的,显然有很多，才能跟得上信息技术行业的发展。

斯坦福公开课 - 戴尔CEO-Michael.Dell谈创业和发展课程节选

Well, not everybody, but everybody can use to keep emails safe, just like sort of a really easy thing to do.

嗯，不一定是所有人，但是每个人都可以轻而易举地用这种密码来保证自己邮箱的安全，

积极参与俱乐部活动 - SpeakingMax英语口语达人

Both were keen, he said, to keep out the anarchists who might cause trouble.

BBC: A heavy police presence surrounded the talks

"I'm sure everyone at Swansea would definitely want to keep him, " said the 19-year-old Allen.

BBC: Swansea warn clubs over Martinez

The goal is to keep privileged and secret what it does and how it operates.

FORBES: Watch Out For The Quants