split off

US /splɪt ɔf/
UK /splɪt ɔf/
"split off" picture
1.

分离, 分拆

to separate from a larger group or whole

:
A small group of protesters split off from the main demonstration.
一小群抗议者从主要示威活动中分离出来
The company decided to split off its software division.
公司决定分拆其软件部门。