1.keep one's mind on 把注意力集中在，一心想着
例句：Just keep your mind on it and constantly analyze your performance.
只要保持你的思想在它的上面并不懈地分析你的演奏。
2.keep one's mouth shut 保持缄默，守口如瓶
例句：I was going to keep my mouth shut but they fucked with the wrong guy this time.
我本来是什么都不想说的，但是这次他们惹错了对象。
3.keep one's opinions to oneself 不把想法说出来，不提意见
例句：Robert tends to keep his opinions to himself.
罗伯特一向保留自己的意见。
4.keep one's temper 掠住性子,不使脾气发作
例句：Whatever happens, remember to keep your temper.
无论发生什么事都要记着保持冷静。
5.keep one's word 守信,遵守诺言
例句：The best way to keep one's word is not to give it.
履行诺言的最好方法就是不给（诺言）。
6.keep pace (with) (与…）并驾齐驱,(与…) 齐步前进
例句：She walked quickly, and her decisiveness helped me to keep pace with her.
她走得很块，那果断的步伐使我跟她保持着同样的速度。