2 sentences

1. 他的用心险恶，企图挑拨我们的关系。

   tā de yòng​xīn xiǎn'è, qǐ​tú tiǎo​bō wǒ​men de guān​xi.

   His intentions are sinister, as he is attempting to drive a wedge between us.

   Source: Dong Chinese Dictionary

2. 他这人最爱在背后传话，挑拨大家的关系。

   tā zhè rén zuì ài zài bèi​hòu chuán​huà, tiǎo​bō dà​jiā de guān​xi.

   He is someone who loves to carry tales behind people's backs to sow discord.

   Source: Dong Chinese Dictionary