Jose, as usual, had climbed a tree to keep watch.

乔斯一如往常地爬到树上放哨。

《柯林斯英汉双解大词典》

The king became very angry at this, and ordered the gardener to keep watch all night under the tree.

国王变得非常生气，命令园丁整夜在树下看守。

youdao

Therefore keep watch, because you do not know the day or the hour.

所以你们要儆醒，因为那日子，那时辰，你们不知道。

youdao

They also keep watch on the American state of Hawaii from an operations center near Honolulu.

VOA: special.2009.03.17

But as he asks at the end, "... / when was that ever a bar / to any watch they keep?"

但他最后问的那句。,哪里什么时候有一个小酒馆/,用来让他们等待？

耶鲁公开课 - 现代诗歌课程节选

Partly because I think it's a good exercise, but also I don't want this class to be a class where you sit there, with your cup of Willoughby's coffee if needed to keep awake, and you watch me solve models because that's not how you learn.

一方面是由于我认为这是个好的锻炼机会,此外,我也不希望这个课程,变成你们坐在这,用威洛比咖啡来保持清醒,一边看我解决问题,因为你们不应那样学习

耶鲁公开课 - 博弈论课程节选

Armed escorts lead the way along the former front lines, and attack helicopters keep watch overhead.

CNN: Troops in Bosnia

In any event, both brands had better keep watch over their shoulders at Lexus.

FORBES: Intrigue Builds As BMW, Benz Conduct Re-Match In America

Thus companies and governments may find smart cards an unobtrusive yet effective way to keep watch on user habits.

CNN: ASIANOW - Asiaweek