The idiom "cut the ground from under someone's feet" is believed to have originated as a military tactic in which an attacking army would dig trenches around a fortified position to isolate and weaken the defenders. In modern usage, the phrase is commonly used in a figurative sense to describe situations where someone's position or advantage is suddenly taken away, leaving them without a foundation to stand on.

What is the origin of the idiom "cut the ground from under someone's feet" and when to use it?

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to [cut] the ground from under {one's} feet

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Definice a význam slova „ cut the ground from under one's feet“ v angličtině

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