人小鬼大

人小鬼大

Literally means:

a little man, big ghost

Actually means:

(of child) be wise beyond one's years

It means a young child is very smart, resourceful and quick to respond.

It sometimes means a person is short, but is clever and capable. Commendatory.

指年龄小，但很聪明，反应快，主意很多。有时也指个子小的人，聪明，能干。具有褒义色彩。