lewd
adjective disapproving uk/luːd/ us/luːd/
淫秽的，色情的，猥亵的，下流的
(of behaviour, speech, dress, etc.) sexual in an obvious and rude way
Ignore him - he's being lewd. 别理他——他是个色鬼。
a lewd suggestion 下流的建议
Synonyms: lascivious libidinous