4 sentences

1. 他在班上感到很孤立。

   tā zài bān shàng gǎn​dào hěn gū​lì.

   He feels very isolated in his class.

   Source: Dong Chinese Dictionary

2. 你为什么孤立自己？

   nǐ wèi​shén​me gū​lì zì​jǐ?

   Why are you isolating yourself?

   Source: OpenSubtitles

3. 他们不想孤立台湾。

   tā​men bù xiǎng gū​lì Tái​wān.

   They don't want to isolate Taiwan.

   Source: OpenSubtitles

4. 我们不能孤立地看待这个问题。

   wǒ​men bù néng gū​lì de kàn​dài zhè​ge wèn​tí.

   We cannot look at this problem in isolation.

   Source: Dong Chinese Dictionary