n.

1. 包圍突破
2. 商品或證券的突然漲價或升值
3. 證券突破最高價或最低價

n.

1. a forcible escape, especially from prison.
2. an outbreak:
   a breakout of hostilities.

adj.

1. suddenly and extremely popular or successful.
2. denoting a group which breaks away from a gathering for discussion.