The riders had to keep their pace up.

骑手们必须保持速度不减。

《柯林斯英汉双解大词典》

The company agreed to keep up high levels of output in order to compensate for supplies lost.

该公司同意保持高产出水平以补偿损失掉的供应品。

《柯林斯英汉双解大词典》

The children jumped up and down to keep warm.

孩子们上下跳动保持身体暖和。

《牛津词典》

Either keep up the good work or you better change your strategy because you are not mastering the material.

保持好的工作,或者你最好改变你的策略,因为你不擅长处理这个材料。

麻省理工公开课 - 固态化学导论课程节选

So the legal situation was set up to try to keep the wife's ownership as part of a different family, and so her money didn't go to her husband, and his money didn't go to her.

所以立法的本意是,保持妻子所有权于另一个家庭，这样她的钱就不会流到丈夫手中，丈夫的钱也不会流到她手中。

耶鲁公开课 - 新约课程节选

This little felt thing there is just to avoid too much friction from building up with the plastic or to keep it slightly separated from the case, but that's it. That's all there was to those things called floppy disks.

这种毡制品的目的是避免,由塑料组成所产生的摩擦力,或者保持稍微的距离，这就是我们要说的,软盘的全部内容。

哈佛公开课 - 计算机科学课程节选