单身汪
(Internet slang) person who is neither married nor in a relationship (used self-deprecatingly)
单身汉
bachelor; unmarried man
单身狗
(Internet slang) person who is neither married nor in a relationship (used self-deprecatingly)
单身贵族
fig. unmarried person; single person (especially one who is comfortable financially)
八疸身面黄
eight types of jaundice with yellowing of body and face (TCM)