How is “put through it” used?

In The Hunger Games: Mockingjay - Part 2 (2015), one line is: “But if I had to put you through it again”

Which movie is “put through it” from?

The clip at the top of this page is from The Hunger Games: Mockingjay - Part 2 (2015).

But if I had to put you through it again

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to force sb to experience sth difficult or unpleasant

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to force sb to experience sth difficult or unpleasant
But if I had to put you through it again for this outcome, I would.
But if I had to put you through it again

定義：Oxford Advanced Learner's Dictionary 第 9 版