Which idiomatic phrasis do you use the most? I like this one: Let sleeping dogs lie.
My bad... Which idiomatic phrases* do you use the most?

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Answer

When life hands you lemons, make lemonade.

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When hell freezes over!
Over my dead body!
It ain't over until the fat lady sings.
When the going gets tough, the tough get going.
Don't make the right decision; Make the decision right.

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Not for all the tea in china!
It's brass monkeys out there!
Pipe down!