了如指掌 liǎo rú zhǐ zhǎng

DEFINITIONS

  1. to know sth like the back of one's hand (idiom)
  2. to know (a person, a place etc) inside out
  3. variant of 了如指掌[liao3 ru2 zhi3 zhang3]

CHARACTERS

了 liǎo
HSK 1
to finish; particle of completed action
如 rú
HSK 3
if, supposing; as if; like, as
指 zhǐ
HSK 4
finger, toe; point, indicate
掌 zhǎng
HSK 5
palm of hand, sole of foot, paw