放空

fàngkōng
  1. to relax completely
  2. to empty one's mind
  3. (finance) to sell short
  4. (of a commercial vehicle) to travel empty (no cargo or passengers)
  5. to deadhead

CEDICT

finance

Entry Composition

1 放 fàng
  1. to put
  2. to place
  3. to release
  4. to free
  5. to let go
  6. to let out
  7. to set off (fireworks)
2 空 kōng
  1. empty
  2. air
  3. sky
  4. in vain