I don't know why he held his cards close to his chest.

我不知道他为何一直守口如瓶.

《简明英汉词典》

I don't know why I feel so fed up this morning.

我不知道为什么今天上午情绪这么低落.

《简明英汉词典》

Do you know why he was late?

你知道他为什么迟到 吗 ?

《现代英汉综合大词典》

You should know why we decided to strike while the iron was hot.

你应知道我们为什么决定趁热打铁.

《简明英汉词典》

I don't know why, but she's really got her knife in him at the moment.

我不知道什么原因, 只知道她现在还对他怀恨在心.

《简明英汉词典》

I don't know why he broke off in the middle of a sentence.

我不知道他为什么说到半中腰就停止了.

《现代汉英综合大词典》

His hands shaking with fear, he demanded to know why the report had sparked such public rage.

他吓得双手发抖，质问为什么这份报告引发了公众如此大的愤怒。

金山词霸

To know why they are doing it, it is essential to understand their motives.

要知道他们这样做的原因，必须了解他们的动机。

金山词霸

I don't know why, but I took a strong dislike to him as soon as I saw him.

也不知道为什么, 我一见到他就十分讨厌.

《简明英汉词典》

I don't know why my new father suddenly left us.

我不知道为什么新爸忽然走了.

汉英文学 - 中国现代小说

I don't know why I settled on Aberdeen, but anyway I did.

我不知道为什么我定居在阿伯丁，尽管如此，我还是这么做了。

辞典例句

" I don't know why we fought and I don't care,'said Scarlett.

" 我不明白我们究竟为什么要打,我也不去管它, "思嘉说.

飘（部分）

'Then you shall likewise know why.

“ 那你也必须明白我为什么喝酒.

英汉文学 - 双城记

The tramps wanted to know why Lucky never put down the luggage.

两个流浪汉想弄明白,为什么幸运儿总是提着行李不放到地上.

辞典例句

Can you enlighten me if I don't know why you did so?

如果我不知道你们为什么这样做,你能开导我 吗 ?

辞典例句