了如指掌 liǎo rú zhǐ zhǎng

to know sth like the back of one's hand (idiom)

Word data

HSK Not in HSK
Frequency 9047th word

Definitions

  1. 1. to know sth like the back of one's hand (idiom)
  2. 2. to know (a person, a place etc) inside out

Characters

Character Meaning
了 liǎo HSK 1
(completed action marker)
如 rú HSK 3
as; such as; as if
指 zhǐ HSK 4
to point at or to; to indicate or refer to; finger
掌 zhǎng HSK 5
palm of the hand; to hold in one's hand; to slap