不知所云

tā shuō le bàn tiān tīng zhòng hái shi bù zhī suǒ yún

他说了半天， 听众还是不知所云。

He talked on and on, but the audience couldn't make out what he was driving at.

zhè piān wén zhāng wǒ kàn le hǎo jǐ biàn dàn hái shi bù zhī suǒ yún

这篇文章我看了好几遍，但还是不知所云。

After several readings, I still cannot make any sense of this article.

zhè piān wén zhāng ràng rén kàn le bù zhī suǒ yún

这篇文章让人看了不知所云。

I don't know what to say after reading the article.

tā gěi chū yī gè jiǎn zhí bù zhī suǒ yún de dá fù

他给出一个简直不知所云的答复。

He gave a particularly inarticulate reply.

duì wǒ lái shuō jì suàn jī chéng xù jiù hǎo xiàng shì tiān shū ràng rén bù zhī suǒ yún

对我来说，计算机程序就好像是天书，让人不知所云。

Computer programs look like complete nonsense to me.

kě piān piān wǒ zhǐ dǒng xī bān yá yǔ yī mén wài yǔ tā shuō de nèi róng wǒ wán quán bù zhī suǒ yún

可偏偏我只懂西班牙语一门外语，她说的内容我完全不知所云。

Unfortunately, I had confined my foreign language studies to Spanish, and I didn't understand a word.