2 sentences for 线 (xiàn — [unit])

1. 我的婚姻就要破碎了，我的工作也命悬一线。

   wǒ​de hūn​yīn jiù​yào pò​suì le, wǒ​de gōng​zuò yě mìng xuán yī​xiàn.

   My marriage is falling apart, my job is on the line.

   Source: OpenSubtitles

2. 存在着一线希望。

   cún​zài zhe yī​xiàn​xī​wàng.

   There is a glimmer of hope.

   Source: United Nations