头难剃

Traditional (Taiwan): 頭難剃

tóunántì ㄊㄡˊ ㄋㄢˊ ㄊㄧˋ

    • a person who is difficult to deal with

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
the head is hard to shave
Meaning
A person who is difficult to deal with.

Sources