split off
phrasal verbsplit away/off (from something) | split something away/off (from something)
- to separate from, or to separate something from, a larger object or group
（使）脱离，分裂出去，分离 - A rebel faction has split away from the main group.
一帮反叛者从核心组织中分裂了出去。 - The storm split a branch off from the main trunk.
暴风雨把一根树枝从树干上刮了下来。
- A rebel faction has split away from the main group.