whiny

adj.好发牢骚的；嘀咕不停的；烦躁的

I get tired of hearing my teacher's whiny voice. 我对老师嘀咕不停的声音感到厌烦。

You see, our mind is a whiny little baby.It uses up most of its energy worrying about frivolous things that need least of your attention right now. 你知道，我们的大脑像一个烦躁的小孩子，他用光了大部分的精力来担忧目前本不需要注意的小事情。