2 sentences

1. 他在单位里总是自成一党，排挤其他人。

   tā zài dān​wèi lǐ zǒng​shì zì chéng yī dǎng, pái​jǐ qí​tā rén.

   He always forms a clique at work and excludes others.

   Source: Dong Chinese Dictionary

2. 由于受到同事们的排挤，他最后不得不选择辞职。

   yóu​yú shòu​dào tóng​shì men de pái​jǐ, tā zuì​hòu bù​dé​bù xuǎn​zé cí​zhí.

   Having been sidelined by his colleagues, he finally had to resign.

   Source: Dong Chinese Dictionary