赌注下于赛马前的

例句：

1. 1. I'll bet you won't be able to finish the race before the end.
   我敢打赌你不会在比赛结束前完成。
2. 2. Betting on the horse is a popular pastime in many countries.
   在很多国家，赛马是流行的消遣活动。
3. 3. The bookmaker was betting big on the team's victory.
   博彩公司对这支队伍的胜利下了大赌注。