The expression "not know what hit someone" is an idiom that means to be completely surprised, shocked, or overwhelmed by an unexpected event or situation. This phrase is often used to describe situations where something unexpected happens suddenly and leaves an individual disoriented or bewildered.

What is the origin of the idiom "not know what hit someone" and when to use it?

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to {not} [know] what [hit] {sb}

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Ορισμός και σημασία του "not know what hit somebody "στα αγγλικά

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