Translation

• 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)

Synonyms

• 一来二去, 交往, 往来, 往还, 接触, 明来暗往, 有来有往, 来往, 走, 走动, 过从, 过往, 酒食征逐
• 回返, 往来, 往返, 来去, 来回, 来回来去, 来往, 来来往往, 老死不相往来, 过往