交流、交换（言语、观点、拳脚、酒杯等），互惠互利

1. exchange (of words, views, punches, cups, etc.), give-and-take

transitive verb noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru intransitive verb

回复、回答、回应、报复、反驳、回击、以牙还牙

2. reply, answer, response, reciprocation, retort, riposte, tit for tat

noun or participle which takes the aux. verb suru intransitive verb noun (common) (futsuumeishi)