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English definition of “know all there is to know about sth”

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know all there is to know about sth

approving
to know a lot about a subject or activity, or be very good at it
Translations of “know all there is to know about sth”
in Chinese (Traditional) 對某一學科或活動很瞭解或很擅長…
in Chinese (Simplified) 对某一科目或活动很了解或很擅长…
(Definition of know all there is to know about sth from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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