silly-faced
Monkey head and monkey brain, a Chinese idiom, Pinyin is h ó ut ó uh ó UN ǎ o, which means to be as active as a monkey and to describe impetuous action. It's from seven swordsmen and thirteen swordsmen.
Idiom usage
The child doesn't know the rules at all. He is a monkey.
The origin of Idioms
Chapter 21 of "seven swordsmen and thirteen swordsmen" by Tang Yunzhou in Qing Dynasty: "although he is human, he looks like a monkey head with a single shirt on his body."
Analysis of Idioms
Tiger head and tiger brain
silly-faced
every order is executed without fail - lìng xíng jìn zhǐ
a tune of music with a fast tempo - fán xián jí guǎn
The wild goose goes and the fish comes - yàn qù yú lái
get long out of short -- to make the best of a bad job - duǎn zhōng qǔ cháng