最終更新日：2022/12/07

act one's age

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To behave in a manner appropriate to one's age. / (imperative, originally US) To behave in a mature manner; to avoid being childish.

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元となった辞書の項目

act one's age

verb

It's time to act your age and stop throwing tantrums.

意味（1）

To behave in a manner appropriate to one's age.

意味（2）

(imperative, originally US) To behave in a mature manner; to avoid being childish.

Act your age and stop fiddling with that pen – you’re showing us up.