3 sentences

1. 你达不到我的标准。

   nǐ dá bu dào wǒ​de biāo​zhǔn.

   You don't meet my standards.

   Source: OpenSubtitles

2. 当一个人达不到另一个人的期望时，问题也会产生。

   dāng yí​ge​rén dá bu dào lìng yī​ge rén de qī​wàng shí, wèn​tí yě huì chǎn​shēng.

   Problems also emerge when one person does not meet the other’s expectations.

   Source: CCMatrix

3. 这项技术还不够先进或不够精确——说不定永远也达不到要求。

   zhè xiàng jì​shù hái bù​gòu xiān​jìn huò bù​gòu jīng​què— shuō bu​dìng yǒng​yuǎn yě dá bù​dào yāo​qiú.

   The technology is not advanced or precise enough yet — and might never be.

   Source: CCMatrix