空儿

空兒
kòngr
  1. spare time
  2. free time

CEDICT

Entry Composition

1 空 kòng
  1. to empty
  2. vacant
  3. unoccupied
  4. space
  5. leisure
  6. free time
2 儿 r
  1. non-syllabic diminutive suffix
  2. retroflex final