I had promised a lot of things - but that was only to keep him quiet.

我向他许诺了很多事情，可那只是为了叫他别再嚷嚷。

youdao

We have to keep him quiet because he is a guy who can make a difference.

我们必须要让他安静下来，因为他是一个可以制造不同的小伙。

youdao

We want to give him a surprise, so please keep quiet about the birthday party.

我们想给他一个惊喜，所以请对生日派对这件事情保密。

youdao

If we can put him under pressure and keep him quiet it's up to the other members of the team to stand up and that is when they are at their most vulnerable.

BBC: Hoggard in action for MCC

The plumber and builder was on the same excursion as Mr Walton and was accused by two sisters of pushing him overboard and then ordering them to keep quiet.

BBC: Darren Sapstead

When he could no longer afford it, he had taken me along with him on the strict understanding that I was to keep quiet and stay out from under his feet as much as possible.

NPR: Excerpt: The Sherwood Ring