I suppose I will never know exactly what took place that morning.

我想我大概永远也搞不清在那个早晨到底发生了什么。

youdao

I will never know what was on his mind at the time, nor will anyone else.

我将永远不会知道当时他心里是怎么想的，其他人也不会知道。

youdao

I never questioned my neighbors about the doll, so whether they experienced the same thing, I will never know.

我从没问过邻居关于娃娃的事，所以不知道他们有没有和我相同的经历。

youdao

And I know I will never know.

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