A voice shouted, superfluously: "Open the door!"

一个声音大喊：“快开门！”

Superfluously, he added his silly comments to the discussion.

他多此一举地把自己愚蠢的观点加到了讨论之中。

In my callback function I also add, somewhat superfluously, id attributes to my elements.

在回调函数中我也有些多余地为元素增加了id属性。