Already she felt less "contrary", though she did not know why.

虽然她不知道为什么，但她已经觉得不那么“倔”了。

youdao

I do not know why the ceiling should be expected to have that effect.

我不明白为什么应该期望天花板产生那种效果。

youdao

They do not know why matter has mass.

他们不知道为什么物质会具有质量。

youdao

They do not know why da Vinci painted it, or how it ended up in the collection of French ruler Francis the First.

VOA: special.2010.06.23

But, you know why not do something a little special, little different, and they decided instead to use lithium.

但是你懂的，为什么不做的更特殊，更与众不同一些呢？

麻省理工公开课 - 化学原理课程节选

No. Why not? Well, I don't know.

不想。为什么不想？呃，我不知道。

关于美军 - SpeakingMax英语口语达人

"I do not know why they moved me to the new scheme, " she said.

BBC: Tenants' rent arrears soar in pilot benefit scheme

Investigators have said the gunman told them he did not know why he did it.

BBC: Smirking teenager jailed for Ohio school shooting

She wrote: "I do not know why Father Gerry is angry with me".

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