lit. cut sleeve (idiom); fig. euphemism for homosexuality, originating from History of Western Han 漢書|汉书: emperor Han Aidi (real name Liu Xin) was in bed with his lover Dong Xian, and had to attend a court audience that morning. Not wishing to awaken Dong
恶癖惡癖e4 pi3
bad habit
痼癖痼癖gu4 pi3
addiction
怪癖怪癖guai4 pi3
eccentricity; peculiarity; strange hobby
洁癖潔癖jie2 pi3
mysophobia; obsession with cleanliness; extreme fastidiousness