mustn't

US /ˈmʌsənt/

UK /ˈmʌsnt/

A2 初級
mod. v.情態助動詞禁止
You mustn't touch that; it's very dangerous.
mod. v.情態助動詞不必
You mustn't feel obliged to come if you're too busy.
mod. v.情態助動詞絕對不要
You mustn't forget to thank her for the gift.
mod. v.情態助動詞不能忘記
We mustn't forget to buy milk.
mod. v.情態助動詞一定不是
If that's the case, then it mustn't be true.
contr.縮略形不能
You mustn't forget your passport.

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