think twice

US /θɪŋk twaɪs/
UK /θɪŋk twaɪs/
"think twice" picture
1.

三思, 仔细考虑

to consider carefully before doing something

:
You should think twice before quitting your job.
在辞职之前,你应该三思
She didn't think twice about helping him.
她毫不犹豫地帮助了他。