不當家不知柴米貴 bù dāng jiā bù zhī chái mǐ guì

DEFINITIONS

  1. a person who doesn't manage a household would not be aware how expensive it is (idiom)

CHARACTERS

不 bù no, not; un-; negative prefix
當 dāng bear, accept, undertake; just
家 jiā house, home, residence; family
不 bù no, not; un-; negative prefix
知 zhī know, perceive, comprehend
柴 chái firewood, faggots, fuel
米 mǐ hulled or husked uncooked rice
貴 guì expensive, costly, valuable