又想當婊子又想立牌坊 [－－当－－－－－－－]

Jyutping
Pinyin yòu xiǎng dāng biǎo zi yòu xiǎng lì pái fāng

Definitions (CC-CEDICT)
  1. lit. to lead the life of a whore but still want a monument put up to one's chastity (idiom)
  2. fig. to have bad intentions but still want a good reputation
  3. to want to have one's cake and eat it too