know inside and out

English

Pronunciation

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Verb

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)

1. (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

• know backwards
• know like a book
• know like the back of one's hand

Translations

know (something) very thoroughly

• Danish: kende ind og ud
• Finnish: tuntea läpikotaisin
• French: connaître sur le bout des doigts (fr)
• German: etwas in- und auswendig kennen (de)
• Russian: знать назубо́к impf (znatʹ nazubók), знать вдоль и поперёк impf (znatʹ vdolʹ i poperjók)
• Spanish: conocerlo como si lo hubiera parido (colloquial; only referring to people)
• Zazaki: teberi u zeri zanayen

See also

• inside out
• ins and outs