uncombed hair and clothes buttoning on the left, referring to the customs of uncivilized tribes

Describes the custom of letting one's hair hang loose and tattooing the body, originally referring to the ancient people of the Wu and Yue regions; also used more broadly to refer to the customs of undeveloped or people from uncivilized areas

With hair disheveled, pretending to be a lunatic; often describes a person who feigns madness to escape danger or political trouble.

(idiom) to leave society and live in seclusion, often in the mountains; to go into hiding from the world

to be in a state of extreme haste or anxiety; literally to have one's hair loose and hat strings tangled

To tie one's hat strings before even having time to bind one's hair; describes being in such a desperate hurry to help others that there is no time for proper grooming.