fling oneself into the breach

例句：

1. 1. She flung the ball into the net with all her might.
   她用尽全力把球扔进了网里。
2. 2. The thief hurls his cap at the policeman and runs away.
   这个小偷把帽子向警察扔去，然后逃跑了。
3. 3. The boxer dashed in to meet the referee.
   那个拳击手冲向裁判员。