空心老大

kōngxīnlǎodà
pretentious and vacuous person

CEDICT

Entry Composition

1 空心 kōngxīn
  1. hollow
  2. (of vegetables) to become hollow or spongy inside
  3. (of a basketball) to swish through (not touching the hoop)
2 老大 lǎodà
  1. old age
  2. very
  3. eldest child in a family
  4. leader of a group
  5. boss
  6. captain of a boat
  7. leader of a criminal gang