4 sentences

1. 试着找到问题的根源。

   shì​zhe zhǎo dào wèn​tí de gēn​yuán.

   Try to find the root of the problem.

   Source: CCMatrix

2. 他认为，压力是问题的根源。

   tā rèn​wéi, yā​lì shì wèn​tí de gēn​yuán.

   He believes the root of the problem is pressure.

   Source: UM-Corpus: News

3. 我们对事物的根源更感兴趣。

   wǒ​men duì shì​wù de gēn​yuán gèng gǎn xìng​qù.

   We are more interested in the roots of things.

   Source: CCMatrix

4. 疼痛的部位，不一定都是疼痛的根源。

   téng​tòng de bù​wèi, bù​yī​dìng dōu shì téng​tòng de gēn​yuán.

   The site of the pain is not always the source of the pain.

   Source: CCMatrix