4 sentences

1. 删除最后一行。

   shān​chú zuì​hòu yī​háng.

   Delete the last line.

   Source: United Nations

2. 我们当中没人曾写过一行代码。

   wǒ​men dāng​zhōng méi​rén céng xiě guo yī​háng dài​mǎ.

   None of us had ever written a line of code.

   Source: CCMatrix

3. 也许您可以使用的最简单的元素是一行。

   yě​xǔ nín kě​yǐ shǐ​yòng de zuì jiǎn​dān de yuán​sù shì yī​háng.

   Perhaps the simplest element you can use is a line.

   Source: CCMatrix

4. 我已经干这一行几十年了。

   wǒ yǐ​jing gàn zhè yī​háng jǐ shí nián le.

   I've been in this business for decades.

   Source: OpenSubtitles