往复 wǎng fù

DEFINITIONS

  1. to go and come back
  2. to make a return trip
  3. backwards and forwards (e.g. of piston or pump action)
  4. to reciprocate (of machine part)

CHARACTERS

往 wǎng
HSK 2
go, depart; past, formerly
复 fù
HSK 3
return; repeat; repeatedly