4 sentences

1. 看来我们的案子有关联。

   kàn​lai wǒ​men de àn​zi yǒu guān​lián.

   It seems our cases are connected.

   Source: OpenSubtitles

2. 角色的情绪与灯光的颜色有关联。

   jué​sè de qíng​xù yǔ dēng​guāng de yán​sè yǒu guān​lián.

   The characters' emotions are linked to the color of the light.

   Source: OpenSubtitles

3. 警方正在调查这两起案件之间的关联。

   jǐng​fāng zhèng​zài diào​chá zhè liǎng qǐ àn​jiàn zhī​jiān de guān​lián.

   The police are investigating the link between these two cases.

   Source: Dong Chinese Dictionary

4. 这两件事是相互关联的。

   zhè liǎng jiàn shì shì xiāng​hù guān​lián de.

   These two things are interrelated.

   Source: Dong Chinese Dictionary