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。
《牛津词典》
2
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。
《牛津词典》
3
Sandra Bullock and Jesse James had finalized their divorce in June, putting an end to their five-year marriage. Jesse's cheating and unfaithfulness is main reason behind the split.