Beauty is in the eye of the beholder. (Lit. A lover's eyes produce Xi Shi.)
Tips
history
Xi Shi (c. 450 BC) was sent by King Goujian of Yue as a concubine to the King of Wu as a strategic ploy, ultimately contributing to Wu's downfall. Her story is a classic tale of beauty used in political intrigue.
usage
情人眼里出西施 is a very common Chinese proverb equivalent to 'beauty is in the eye of the beholder.' 西施 alone can be used to praise any very beautiful woman.