4 sentences

1. 把绳子割断。

   bǎ shéng​zi gē​duàn.

   Cut the rope.

   Source: OpenSubtitles

2. 割断绳子！

   gē​duàn shéng​zi!

   Cut the rope!

   Source: OpenSubtitles

3. 施工队在挖路时，不小心割断了地下的通讯光缆。

   shī​gōng​duì zài wā lù shí, bù xiǎo​xīn gē​duàn le dì​xià de tōng​xùn guāng​lǎn.

   While digging up the road, the construction crew accidentally severed the underground fiber optic communication cable.

   Source: Dong Chinese Dictionary

4. 我们要坚决割断与这些非法组织的联系。

   wǒ​men yào jiān​jué gē​duàn yǔ zhè​xiē fēi​fǎ zǔ​zhī de lián​xì.

   We must resolutely sever ties with these illegal organizations.

   Source: Dong Chinese Dictionary