an act of separating from a group, especially because of disagreement(尤指意见分歧导致的)脱离
The sports association accepted the inevitability of a breakaway by the elite clubs.体育协会接受了精英俱乐部将脱离协会这一不可避免的事实。
The breakaway group formed a new political party.脱离出去的团体组建了新的政党。