Definition
这个成语字面意思是‘三次思考然后再行动’，但实际并非要求恰好三次，而是强调多次深思熟虑后再做决定。常用于劝戒他人不要冲动，类似英语的‘look before you leap’。在句中可以作谓语或独立成句，语体偏正式。
f.e.
to think carefully before actingto look before you leap
Examples
- ，三思而后行。Zuò zhòngdà juédìng qián, zuìhǎo sān sī ér hòu xíng.Before making an important decision, it's best to think carefully before acting.
- 三思而后行，。Tā quàn wǒ sān sī ér hòu xíng, bú yào suíbiàn huàn gōngzuò.He advised me to look before I leap and not change jobs casually.
- 三思而后行，。Tóuzī xūyào sān sī ér hòu xíng, bù néng zhǐ kàn yǎnqián lìyì.Investing requires careful thought; you can't only focus on short-term gains.
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