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English definition of “crawl/go/retreat/retire into your shell”

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crawl/go/retreat/retire into your shell

to become less interested in other people and less willing to talk and take part in social activities: The more they tried to get her to talk about her experiences, the further she retreated back into her shell.
Translations of “crawl/go/retreat/retire into your shell”
in Chinese (Traditional) 變得自閉起來…
in Chinese (Simplified) 变得自闭起来…
(Definition of crawl/go/retreat/retire into your shell from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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