以牙還牙； 報(bào)復(fù)

He was comforted by the thought that he had given Mrs Green a Roland for her Oliver. 一想到已經(jīng)用以牙還牙的方式對(duì)待了格林太太，他就感到寬慰。

I would pay him back for his treacheries. 對(duì)他的背信棄義我要報(bào)復(fù)。

He was waiting for an opportunity to retaliate. 他在伺機(jī)報(bào)復(fù)。