libertine

 Longman Dictionary of Contemporary English 5++朗文当代英语 5++LDOCE 5++朗文 5++lib·er·tine /ˈlɪbətiːn $ -ər-/ noun [countable] literary  BAD PERSONsomeone who leads an immoral life and always looks for pleasure, especially sexual pleasure 〔尤指在两性关系上〕放荡不羁的人 —libertine adjective

Examples from the Corpus

libertine• For if a libertine knows he can indulge himself with impunity, he will throw all cautions to the winds.• Take one step away from those laws and you become a lecher, a libertine, an assassin.• Although he is quite a libertine with the women, this particular President, I understand.• Much emphasis was placed on the raffish past, with roll-calls of distinguished libertines.• But the libertine who turned to religion in maturity seemed to get undue credit.Origin libertine (1300-1400) Latin libertinus “free person”, from liber; → LIBERTY

lib·er·tine nounChineseSyllable  

and life immoral an who someone leads Corpus

libertine
lib‧er‧tine /ˈlɪbətiːn $ -ər-/ noun [countable] literarysomeone who leads an immoral life and always looks for pleasure, especially sexual pleasure
—libertine adjective

lib·er·tineBrE /ˈlɪbətiːn/ 🔊NAmE /ˈlɪbərtiːn/ 🔊 noun (formal, disapproving) a person, usually a man, who leads an immoral life and is interested in pleasure, especially sexual pleasure 放荡的男人；放荡不羁的人；浪荡公子