Simplified display

了如指掌

liǎo rú zhǐ zhǎng

Định nghĩa

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

Từ cấu thành 了如指掌

• 了 了 le: (completed action marker)
• 如 如 rú: as
• 指 指 zhǐ: finger
• 了 了 liǎo: (of eyes) bright
• 掌 掌 zhǎng: palm of the hand