3 sentences for 线 (xiàn — political line)

1. 别担心，我们是同一阵线的。

   bié dān xīn, wǒ​men shì tóng​yī zhèn​xiàn de.

   Don't worry, we're on the same side.

   Source: OpenSubtitles

2. 不是每个人都必须站在第一线。

   bù​shì měi​ge​rén dōu bì​xū zhàn zài dì​yī​xiàn.

   Not everyone has to be on the frontline.

   Source: CCMatrix

3. 当生活变得复杂时，我们的梦想和目标有时会退居二线。

   dāng shēng​huó biàn​de fù​zá shí, wǒ​men de mèng​xiǎng hé mù​biāo yǒu​shí huì tuì​jū'èr​xiàn.

   When life becomes complicated, our dreams and goals sometimes take a back seat.

   Source: CCMatrix