You had better beware.

那你最好要小心。

youdao

But they had better beware: using text messages to flirt with the unwilling can result in a fine.

但他们最好小心了，如果把短信发给无意与自己调情的人，可能会招致罚款。

youdao

Beware, the parser is entitled to spread the text across several events (to better manage its buffer).

要知道，语法分析器负责将文本分配到几个事件(更好地管理其缓冲区)。

youdao

Anyone caught selling a gallon of unleaded at an unseemly rate had better beware (and maybe hire some lawyers).

FORBES: Obama's Oil-Price Schizophrenia

Entrepreneurs and executives had better beware.

FORBES: Magazine Article

Your bank will likely give you a better rate, but beware transfer costs and commission fees.

BBC: How to budget for living abroad