2 sentences

1. 他总是在背后搬弄是非。

   tā zǒng​shì zài bèi​hòu bān​nòng​shì​fēi.

   He is always gossiping and stirring up trouble behind people's backs.

   Source: Dong Chinese Dictionary

2. 他总爱在人后饶舌，到处搬弄是非。

   tā zǒng ài zài rén hòu ráo​shé, dào​chù bān​nòng​shì​fēi.

   He always likes to gossip behind people's backs and stir up trouble.

   Source: Dong Chinese Dictionary