他对纽约了如指掌。

He knows New York inside out.

Source: Tatoeba

Sentence Composition

1 他 tā
  1. (third-person singular) (since the early 20th century, usu. male) he; him; his
  2. (bound form) other; another; some other (as in 他日 tārì and 他人 tārén)
2 对 duì
  1. right; correct
  2. towards; at; for
  3. concerning; regarding
  4. to treat (sb a certain way)
  5. to face
  6. (bound form) opposite; facing; matching
  7. to match together; to adjust
  8. to fit; to suit
  9. to answer; to reply
  10. to add; to pour in (a fluid)
  11. to check; to compare
  12. classifier: couple; pair
3 纽约 Niǔyuē New York
=4 了如指掌 liǎorúzhǐzhǎng
  1. to know sth like the back of one's hand (idiom)
  2. to know (a person, a place etc) inside out
=4 了如指掌 liǎorúzhǐzhǎng variant of 了如指掌 liǎorúzhǐzhǎng