We'd better not be seen together. People will talk.

我们最好不要被人看见在一起。人们会议论。

《柯林斯英汉双解大词典》

You'd better not go to crowded places.

你最好不要去人多的地方。

youdao

You'd better not take off your coat.

你最好不要脱掉你的外套。

youdao

So we decided it would be better not to settle a camp and leave these refugees to settle by themselves,".

VOA: standard.2009.08.27

It better not be that everyone does everything alone, because--in whatever the relevant sense of alone turns out to be-- if everyone does everything alone, then of course that might be interesting.

而不是说每个人都是孤独地做着每件事情，因为不管孤独的定义是什么-,如果每个人都在孤独地做着每件事情，这说法固然很有趣。

耶鲁公开课 - 死亡课程节选

This had better not go on the air before summer!

这最好不在夏天之前播出。

我们是校园情侣 - SpeakingMax英语口语达人

In that case it's better not to kill any cubs in case they were yours.

BBC: Infidelity is not common among other big cats

Spend the afternoon (better not on the weekend) with a child doing something they enjoy.

FORBES: How Entrepreneurs Can Beat The Holiday Blues

So maybe it's better not to be sensitive as a photographer and just go on.

NPR: 'Americans': The Book That Changed Photography