uncouth
/ˌʌnˈkuːθ/adjective
1- (of a person or their appearance or behaviour) lacking good manners, refinement, or grace（人, 外表, 行为）无教养的; 不雅的：
he is unwashed, uncouth, and drunk most of the time.
他龌龊不堪, 举止粗野, 经常烂醉如泥。
1.1
- (especially of art or language) lacking sophistication or delicacy（艺术, 语言）粗劣的; 粗俗的：
uncouth sketches of peasants.
拙劣的农民素描。
1.2
- archaic (of a place) uncomfortable, especially because of remoteness or poor conditions〈古〉（地点）（尤指遥远, 条件差）不舒服的。
派生词
uncouthly
adverbuncouthness
noun词源
Old English uncūth 'unknown', from UN-1 'not' + cūth （past participle of cunnan 'know, be able'）.