改换门庭 gǎi huàn mén tíng

DEFINITIONS

  1. to improve one's family's social status by moving up in the world
  2. to switch one's allegiance to a new patron

CHARACTERS

改 gǎi change, alter; improve, remodel
换 huàn change
门 mén gate, door, entrance, opening
庭 tíng courtyard; spacious hall or yard