派系 refers to a faction, clique, or subgroup within a larger organization. It is often used in political, historical, or organizational contexts to describe competing internal groups.
公司内部的派系斗争越来越严重了。
gōngsī nèibù de pàixì dòuzhēng yuè lái yuè yánzhòng le.
The factional struggles within the company are getting more and more serious.
这个政党里有好几个不同的派系。
zhège zhèngdǎng lǐ yǒu hǎo jǐ gè bùtóng de pàixì.
There are several different factions in this political party.
他不想卷入派系之间的矛盾。
tā bù xiǎng juǎnrù pàixì zhījiān de máodùn.
He doesn't want to get involved in the conflicts between factions.