Good players must keep to the rules of a game.

好运动员必须遵守比赛规则。

youdao

I stick to my principles and keep to the rules.

我会坚持原则和坚守规则。

youdao

You must keep to the rules even if you think they're unfair.

尽管你认为这些规则不公正，但也得遵守。

youdao

This is the force or purpose of law to set rules, to keep people, as he puts it, on their way, a law that is intended simply to constrain and control for its own sake, Hobbes says, cannot be a good law.

这就是法律的目的，制定一定的规章制度，引导人民走正确的路子，霍布斯还认为,那种简单地为了限制和控制为目的法律，是不能称之为好的法律。

耶鲁公开课 - 政治哲学导论课程节选

Instead it should look at the one remedy available to it - that if parties don't keep to the rules that govern the talks - then they should not be allowed to take part.

BBC: NEWS | UK | Northern Ireland | Sinn Fein vows to fight sanctions

The exchange is a self-regulating organization, meaning that--headed by its 22 directors--it is charged with ensuring that its 365 member firms and 2, 800 listed companies follow the rules designed to keep the stock market fair and competitive.

FORBES: Who Polices The Police?

The reporting requirement also will put pressure on companies to abide by "antidiscrimination" rules designed to keep the coverage of highly paid executives in line with that of lower-paid workers, Ms. Davis says.

WSJ: Tax Report: Is Taxing Health Plans Next?