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English definition of “be long in the tooth”

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be long in the tooth

informal
to be old, often too old to do something: He's a little long in the tooth to be wearing shorts, don't you think?
Translations of “be long in the tooth”
in Chinese (Traditional) 年老, (常指)年紀太大(而無法做某事)…
in Chinese (Simplified) 年老, (常指)年纪太大(而无法做某事)…
(Definition of be long in the tooth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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