時不時

时不时
shíbùshí
from time to time

CEDICT

Entry Composition

1 時 shí
  1. o'clock
  2. time
  3. when
  4. hour
  5. season
  6. period
2 不時 bùshí
  1. from time to time
  2. now and then
  3. occasionally
  4. frequently