know inside and out
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English[edit]
Pronunciation[edit]
Audio (AU) (file)
Verb[edit]
know inside and out (third-person singular simple present knows inside and out, present participle knowing inside and out, simple past knew inside and out, past participle known inside and out)
- (transitive, idiomatic) To know (something or someone) very thoroughly.
- He's still new to their system, but he knows databases inside and out and will understand the rest soon.
Synonyms[edit]
Translations[edit]
know (something) very thoroughly
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