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English definition of “what if?”

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what if?

B1 used to ask about something that could happen in the future, especially something bad: What if the train's late? What if you don't pass your exams?
Translations of “what if?”
in Chinese (Traditional) 如果(尤指糟糕的情況出現)會怎麼樣?…
in Chinese (Simplified) 如果(尤指糟糕的情况出现)会怎么样?…
(Definition of what if? from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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