godan verb (-su), transitive verb
retort; answer back; fire back; reply in kind
Used when responding to someone's words or actions with a similar force, often in a confrontational or retaliatory manner. Can be verbal or physical.
彼に悪口を言われたので、やり返した。
He insulted me, so I retorted.
やられたらやり返す
His principle is to hit back when hit.
godan verb (-su), transitive verb
Means to do something again, often because the first attempt was unsatisfactory. Less common than やり直す (やります) in modern Japanese.
失敗したので、最初からやり返した。
I failed, so I started over from the beginning.