break open这个短语有两个意思：

　　1，砸开

　　例句：Send not for a hatchet with which to break open an egg.

　　别为了破一个鸡蛋而叫人去取斧头——杀鸡焉用牛刀。

　　2，突然开始要赢得某比赛。(to suddenly and clearly begin to win a competition)

　　例句：Several quick goals helped Hewlett break open a close game and beat the Tigers by 10 points. 连续的几个进球使Hewlett反败为胜，以10分的优势击败了Tigers队。