lascivious

1. ADJ If you describe someone as lascivious, you disapprove of them because they show a very strong interest in sex. 好色的; 婬欲的[表不滿]

The man was lascivious, sexually perverted and insatiable. 這個人是一個欲壑難填的變態色情狂。

...their lewd and lascivious talk. ...他們之間下流猥褻的對話。