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English definition of “be beside yourself”

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be beside yourself

C2 If you are beside yourself with a particular feeling or emotion, it is so strong that it makes you almost out of control: He was beside himself with grief when she died.
Translations of “be beside yourself”
in Chinese (Traditional) (因情緒太強烈而)無法控制自己…
in Chinese (Simplified) (因情绪太强烈而)无法控制自己…
(Definition of be beside yourself from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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