了如指掌
liǎorú-zhízhǎngTraditional 瞭如指掌
to know like the back of one's hand
Every meaning
liǎorú-zhǐzhǎng
- to know like the back of one's hand
Its characters
- 了liǎoto finish; to settle (as in 了结)
- 如rúlike; as
- 指zhǐfinger
- 掌zhǎngpalm (of the hand)
Words with 了
Words with 如
Meanings from our own dictionary. Chengyu from the Xinhua idiom list, the most common first.