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 Xian, who was sleeping with his head resting on the emperor's long robe sleeve, Aidi used a knife to cut off the lower half of his sleeve.
情人眼里出西施
qíng rén yǎn lǐ chū Xī shī
lit. in the eyes of a lover appears 西施[Xi1 shi1] (idiom) / fig. beauty is in the eye of the beholder
红杏出墙
hóng xìng chū qiáng
lit. the red apricot tree leans over the garden wall (idiom) / fig. a wife having an illicit lover
附庸风雅
fù yōng fēng yǎ
(of an uneducated person) to mingle with the cognoscenti / to pose as a culture lover / to be a culture snob / having pretensions to culture
情人眼里有西施
qíng rén yǎn lǐ yǒu Xī shī
In the eyes of the lover, a famous beauty (idiom). Beauty in the eye of the beholder
pīn