I have no idea about fashion these days, which is why I dress so plainly.

我对现在的时装潮流一窍不通。这就是我穿得这么普通的原因。

youdao

She dressed plainly because she could not dress well, but she was unhappy as though she had really fallen from her proper station;

她无法穿得好，因此她衣作朴素，但她却为此不开心，好似从自己应该的位 置上掉了下来的。

youdao