what's "tit for tat" meaning

what's tit for tat meaning tit-for-tat是什么意思 为什么叫tit for tat Tit for tat 如何翻译? tit for tat是什么意思啊?如题 tit for tat with forgiveness是什么意思 英语 Tit for tat.是啥词啥意思英语 C'mon,he's right.Tit for tat.中文：他说得对,以眼还眼. 问一首歌 tit for tat大概应该是这个名字,很有节奏感,有点闹的那种顺便把下载地址发上吧 love me love my dog.tit for 请问下面这句话怎么翻呢?The tit-for-tat retaliations ended abruptly as the State Department announced that it would match some minor restrictions by the Soviets on the number of visas given for temporary personnel.看不太懂, It's fun to go for a spring outing.___ ___it is tIt's fun to go for a spring outing.___ ___it is to go for a spring outing!答案是what fun.为什么不是how funny呢？不是it is+adj.为什么题目中是it's fun？ 这个语言文字智能题 JOIE DE VIVRE对应的是HIGH SPIRITS,那么,QUID PRO QUO对应的是?A.OPEN TO QUESTIONB.QUICK WIITEDC.ON TOP OF THE WORLDD.TIT FOR TAT what's for what's it for? what's this for? what's for this? what's somebody for Tit-Tat是什么意思啊英语里好象没这个词组,找不到翻译说一下我看到的这个词的出处天啊,别小题大做..那孩子喜欢吃Tit-Tat之类的口香糖而已