
Think twice about something/about doing something
Decision Weight
The phrase implies the decision has significant consequences, so it warrants extra caution.

You should think twice about quitting your job without having another lined up.
Doubt Hint
Using this phrase suggests there's doubt or hesitation, indicating it’s not an easy choice.

She thought twice about moving abroad, considering all her family was here.
Persuasive Caution
It can be used to advise or warn someone else about possible risks in their decision.

He told me to think twice about investing in such a risky venture.
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