There's something afoot here, but I don't know what it is.

这里有什么东西不对劲, 但我不知道到底是什么.

《简明英汉词典》

He just doesn't know what it is to be tired.

他有一股子使不完的劲.

《现代汉英综合大词典》

Only other sufferers know what it is like to be afflicted with this disease.

只有其他得过这种病的人才知道得这种病的痛苦滋味.

《简明英汉词典》

" I don't know what it is about him,'she would sigh helplessly.

" 我不明白他究竟是怎么回事, " 她时常无可奈何地叹息.

飘（部分）

You don't know what it is to be low in your feeling.

你们不懂得什么是感情的低潮.

辞典例句

" I know what it is. You got into No. 2 and never found anything but whiskey.

“ 我知道是什么, 你进了二号,除威士忌外,你别的什么东西也没找到.

英汉文学 - 汤姆历险

You don't know what it is to be sick for the postman's knock.

你不知道盼着邮差敲门是 怎么 个滋味.

辞典例句

And now you know what it is to have your child stolen from you.

孩子被人偷走,是什么滋味,你现在尝到了吧.

电影对白

Especially if you don't know what it is you're confessing to.

尤其是如果你不知道你在忏悔什么.

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I know what it is to be in debt.

我知道欠债是什么滋味.

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" Poor thing!'said Bruce. " You, too, know what it is to fail. "

“ 可怜的东西! ” 布鲁斯说道, “ 你也知道失败的滋味. ”

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Have you ever eaten Spam? Do you know what it is?

您吃过史邦 吗 ?您知道那是什么 吗 ?

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You know what it is l like about going over to your house, Terry?

泰瑞,你知道我对你的家有什么感觉 吗 ?

电影对白

Life is half spent before we know what it is.

人过半生,方知天命.

互联网

Do not eat anything you do not know what it is.

不明究理的东西不要乱吃.

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