我不知道她为何总带有一种闷闷不乐的神情的翻译：I don't know why she always has a sullen look 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

I do not know why she always carries a glum look

I don't know why she always has a sullen look

I did not know why she always does have one kind of depressed facial expression

I do not know why she would always have a an unhappy look

I don't know why she always has a sullen look