了如指掌
liǎo rú zhǐ zhǎng
Meaning
- to know something like the back of one's hand (idiom) · to know (a person, a place and so on) inside out
Example sentences
他对这个地方了如指掌。
tā duì zhè gè dì fang liǎo rú zhǐ zhǎng。
He knows every inch of this area.
他对她的过去似乎了如指掌。
他對她的過去似乎瞭如指掌。
tā duì tā de guò qù sì hū liǎo rú zhǐ zhǎng。
He seems to know all about her past.
他对纽约了如指掌。
tā duì niǔ yuē liǎo rú zhǐ zhǎng。
He knows New York inside out.