[] 针锋相对;一报还一报
例句： (来源：英语学习门户 http://www.
2hzz.
com) I didn't invite her to my party because she didn't invite me to hers.
It was just tit for tat.
她没请我吃饭,我也不请她吃饭,针锋相对嘛。
Tit for tat is fair play.
人不犯我，我不犯人；人若犯我，我必犯人。
Billy hit me, so I give him back tit for tat.
比利打了我，所以我也以牙还牙打了他。
We are on just grounds in carrying out this tit-for-tat policy.
实行这样的针锋相对的政策，我们是有理由的。
They had a warm debate and the two gave each other tit for tat.
他们激烈地辩论，二人针锋相对。
I told her if she did me any harm I would return tit for tat.
我告诉她，如果她伤害我，我会对她以牙还牙。