Groups are called duets, trios, quartets , choruses , choirs, etc.

集体表演称之为二重唱 、 三重唱 、 四重唱以及大合唱等等.

As Prufrock vacillates, so the voice of the Quartets hesitates and changes tone and tack.

就象普鲁弗洛克优柔寡断一样，《四重奏》中的声音也犹豫不定。

As Prufrock vacillates , so the voice of the Quartets hesitates and changes tone and tack .

就象普鲁弗洛克优柔寡断一样，《四重奏》中的声音也犹豫不定。