not know the half of it - definition in the British English Dictionary & Thesaurus - Cambridge Dictionaries Online (US)

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English definition of “not know the half of it”

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not know the half of it

(also have not heard the half of it) informal
If someone does not know the half of it, they know that a situation is bad but do not know how serious it is: "I hear things aren't going too well at work." "You don't know the half of it!"
Translations of “not know the half of it”
in Chinese (Traditional) 不知道更嚴重的情況…
in Chinese (Simplified) 不知道更严重的情况…
(Definition of not know the half of it from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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