我不能理解为什么她非要如此粗鲁地对待一位朋友。

I could not understand why she felt compelled to behave so rudely to a friend.

《柯林斯英汉双解大词典》

但是为什么她站在一个穿校服的男生旁边？

But why she stands beside a boy in a school uniform?

youdao

我们必须调查为什么她和她丈夫在一起时不开心。

We have to investigate why she was not happy with her husband.

youdao

Franny again cleared her throat. Apparently, her self-imposed sentence of unadulterated good listenership had been fully served. "Why?" she asked.

弗兰尼又清了喉咙，他的自欺式的自白得到了倾听,遇到了好听众，为什么，她问。

耶鲁公开课 - 1945年后的美国小说课程节选

But you can't put your finger on what the source of that confrontation was.

但是你还是搞不明白为什么她老是要跟你对着干。

I don't know 课堂 - SpeakingMax英语口语达人

So I said, " why would I want to have her around here?"

然后我说：“为什么我会让她在这儿？“

麻省理工公开课 - 媒体、教育、市场课程节选