hit a man when he is down

例句：

1. 1. The ball hitthe net and bounced back to theplayer.
   球击中网并弹回给球员。
2. 2. She hit the ball with all herstrength.
   她用尽全力击球。
3. 3. The teamhit a home run in the first inning.
   第一局比赛中，球队打出一记本垒打。