She is an excellent worker and I commend her to you without reservation.

她工作出色，我毫无保留地把她推荐给你。

《牛津词典》

You can keep one of the photos. Either of them—whichever you like.

你可以保留一张照片。两张里任选一张—拣你喜欢的。

《牛津词典》

You should hold on to your oil shares.

你应该继续保留住你的石油股份。

《牛津词典》

So if you have ideas about that pursue them keep them in mind and you'll see a lot in the course.

如果你们有什么想法,将它们继续保留在脑海中,你们将会在这门课上看到很多类似范例。

麻省理工公开课 - 电影哲学课程节选

Now, your temptation is to keep the first answer because you know energy is not going to be negative.

你肯定想保留正根,因为你知道能量不会是负值

耶鲁公开课 - 基础物理课程节选

So that was one interesting question that came up, so keep this in mind if you're wondering about this idea of chords.

这样就有了一个有趣的问题，将这个关于和弦的疑问保留在脑海里。

耶鲁公开课 - 聆听音乐课程节选