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forewarn

verb

🔊/fɔːˈwɔːn/

🔊/fɔːrˈwɔːrn/

[usually passive] (formal)

Verb Forms

present simple I / you / we / they forewarn	🔊/fɔːˈwɔːn/ 🔊/fɔːrˈwɔːrn/
he / she / it forewarns	🔊/fɔːˈwɔːnz/ 🔊/fɔːrˈwɔːrnz/
past simple forewarned	🔊/fɔːˈwɔːnd/ 🔊/fɔːrˈwɔːrnd/
past participle forewarned	🔊/fɔːˈwɔːnd/ 🔊/fɔːrˈwɔːrnd/
-ing form forewarning	🔊/fɔːˈwɔːnɪŋ/ 🔊/fɔːrˈwɔːrnɪŋ/

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to warn somebody about something bad or unpleasant before it happens预先警告；事先告诫
- be forewarned of something The commander had been forewarned of the attack.指挥官预先得到敌人要发动袭击的警报。🔊🔊
- be forewarned that… They were forewarned that a storm was approaching.他们被警告风暴即将来临。

Idioms

forewarned is forearmed

(saying) if you know about problems, dangers, etc. before they happen, you can be better prepared for them预警即预备；有备无患Topics Dangerc2