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English definition of “that's that”

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that's that

( also that was that)
C1 an expression that shows that something has ended: I won't agree to it and that's that (= I won't discuss it any longer).
Translations of “that's that”
in Chinese (Traditional) 就這樣吧, 就這樣定了, 再沒有甚麼可說的…
in Chinese (Simplified) 就这样吧, 就这样定了, 再没有什么可说的…
(Definition of that's that from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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