know something inside out

意味

to be familiar with every detail of something

細部まで知り尽くしている.

例文

1. 1Ask Priya for directions; she drives a taxi and knows London inside out.
2. 2I've played this game every week for years, so I know it inside out.
3. 3Our tour guide knew Rome inside out and showed us streets that aren't in any guidebook.
4. 4Ask Ben about the new parking rules – he has read them twice and knows them inside out.
5. 5Do you know French inside out, or would you still need lessons before the move to Paris?

文法

know が変化する（knows、knew、known）。短い目的語は know と inside out の間に置く（know it inside out）。learn や understand も inside out と組み合わせて使える。