We kept to the roads we knew.

我们不离开我们认识的路。

The tourists insist on keeping to their plan.

旅行者坚持按旅行计划行事。

He sucked hard for air to keep breathing.

他拼命吸以维持呼吸。

They kept to the custom to hold their wedding.

他们按当风俗举行婚礼。

Traffic regulations should always be kept to at any time.

任何时候都要遵守交法规。

Don't keep them all to yourselves; we must share and share alike.

你不要自己吞; 我们事事都应均分。

Keep your nose to the grindstone and you should pass the exam easily.

苦学习， 你就能不费力过考试。

On this superhighway drivers should keep to a speed of over 80 miles per hour.

在这条高速公路上,驾驶员必须保持每小时80英里以上的速度。

Keep to the footpath.

顺着道儿走。

I will take exams in two weeks, so I'm keeping my nose to the grindstone just at the moment.

我两星期后要考试, 因而眼下正埋头苦读。

Don't underdo it.This doesn't mean you just sit whenever the whim strikes you.It means you set up a practice schedule and keep to it with a gentle, patient tenacity.

这不是说，你只是随心所欲的静坐，而是建立一个练习计划，然后以一种温柔但又韧性的坚持。

In some period in the future, all the world may just keep to the “firming the root and foster the source” concept and the inlook of female and culture might give a little comfort in this winter.

未来一段时间应该是球各个区“固本培源”的时期。女性的内力加上文化的内力，应该会给这个冬天一些安慰。