客氣

客气
kèqi
  1. polite
  2. courteous
  3. formal
  4. modest

CEDICT

Entry Composition

1 客 kè
  1. customer; visitor; guest
  2. classifier for servings or portions (when ordering food)
2 氣 qì
  1. gas; air
  2. smell
  3. weather
  4. to make angry; to annoy; to get angry
  5. vital energy; qi