淑女就是有文化的鸡绅士就是有礼貌的狼
[shū nǚ jiù shì yŏu wén huà de jī shēn shì jiù shì yŏu lĭ mào de láng]
'A gentlewoman is a cultured chicken; a gentleman is a courteous wolf.' A metaphor suggesting that beneath proper demeanor and manners lies true nature – critiquing superficiality.