回报 | huí bào | (in) return / reciprocation / payback / retaliation / to report back / to reciprocate | |
往复 | wǎng fù | to go and come back / to make a return trip / backwards and forwards (e.g. of piston or pump action) / to reciprocate (of machine part) | |
还报 | huán bào | to return a favor / to reciprocate / (literary) to report back |