You must take care not to over exert yourself if involved in sports.

参加运动的时候千万不要过度劳累。

youdao

It appears that people, at some level, think that they can exert willpower over it and control it.

这说明在某种程度上,人们认为他们可以通过意志力控制结果

耶鲁公开课 - 金融市场课程节选

What's particularly interesting is even groups that are formed, that you were not born with, that are formed on the fly, exert a huge amount of control over your moral feelings and moral attitudes.

特别有趣的是，后天形成的群体，不是那天生下来就属于，而是在生活中形成的，能够极大地控制,你的道德情感和道德态度。

耶鲁公开课 - 心理学导论课程节选

That, of course, was what had made the Bulls champions over the years: the ability to exert their will over other teams that sometimes, on paper at least, seemed to be more talented.

CNN: ASIANOW - TIME Asia

The Visa deal is the latest example of the tight control that sponsors and global event organisers exert over arrangements after paying for sponsorship rights.

BBC: Olympics 2012: Fans must use Visa for tickets

But over the past year or so Twitter has looked to exert greater control over its user base as it has introduced advertising on its site.

WSJ: Antitrust Regulator Makes Twitter Inquiries