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English definition of “I should think not/so (too)!”

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I should think not/so (too)!

said when you think what has been suggested is certainly not, or certainly is, the correct and expected thing: "I bought her some flowers to say thank you." "I should think so too." "I don't like to drink more than one bottle of wine in an evening." "I should think not."
Translations of “I should think not/so (too)!”
in Chinese (Traditional) 當然!/當然不!…
in Chinese (Simplified) 当然!当然不!…
(Definition of I should think not/so (too)! from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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