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English definition of “take it into your head to do sth”

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take it into your head to do sth

to suddenly decide to do something, often something silly or surprising: Anyway, they took it into their heads to get married.
Translations of “take it into your head to do sth”
in Chinese (Traditional) 突發奇想, 心血來潮…
in Chinese (Simplified) 忽发奇想, 心血来潮…
(Definition of take it into your head to do sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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