赤身裸体

Explanation: Red: bare. Most of the body or body exposed 　　Usage: Joint type; as predicate, attributive, adverbial; refers to the body bare, naked 　　Source: Ming Luo, "Three Kingdoms" 84 back: "swagger, abusive way; more solvable Resurrection clothing, naked, or who or sitting." Thesaurus:  to have not even a thread on, in one's birthday clothes