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English definition of “be a one”

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be a one

UK old-fashioned informal
to be funny in a slightly rude way or in a way that shows no respect: "He told me I couldn't have the job and I told him I never really wanted it in the first place." "Ooh, you are a one."
Translations of “be a one”
in Chinese (Traditional) 是個活寶貝, 是個有點無禮的人…
in Chinese (Simplified) 是个活宝, 是个有点无礼的人…
(Definition of be a one from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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