Sở Khanh

Etymology
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Proper noun

 * 1)  a character from Nguyễn Du's Tale of Kiều, who was infamous for cheating on women, including the title character, Thuý Kiều; he is usually considered the equivalent of Don Juan
 * 2)  that same character from Qingxin Cairen's Jin Yun Qiao, on which Nguyễn Du's work was based

Noun

 * 1) a cheating male lover; a man who cheats on women
 * Thằng cha đó . Hắn đúng là thằng Sở Khanh.
 * That guy is always two-timing. He's such a cheater.

Adjective

 * 1) pertaining to the kind of treatment that is to cheat on a woman