我不想听过去的事情 ? I don't want to listen to past events 两件套 ? Set of two 灰蒙蒙的阴天，我的爱情，你不明白，在这怜惜 ? Gray cloudy day, my love, you do not understand, in this pity ..
2
?两个一套
... 九个一套的 nonuple 两个一套set of two 四个一套 quad ...
3
?两个一组
... 九个一组的 nonary; nonuple 两个一组 in pairs; set of two; twosome 两个一组的 diad ...