know sth inside out Definition in the Cambridge English Dictionary

Definition of “know sth inside out” - English Dictionary

"know sth inside out" in British English

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know sth inside out

informalC1 to ​know everything about a ​subject: He ​knows the ​system inside out.
(Definition of know sth inside out from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
Translations of “know sth inside out”
in Chinese (Simplified) 对…了如指掌…
in Turkish içini dışını bilmek, her şeyini bilmek…
in Russian знать что-либо досконально…
in Chinese (Traditional) 對…瞭如指掌…
in Polish znać coś jak własną kieszeń…
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