下赌注

例句：

1. 1. I'll bet you won't find it easy to learn this new language.
   我敢打赌你发现学习这门新语言并不容易。
2. 2. They bet on the outcome of the game and lost big.
   他们下注于比赛的结果，结果输了一大笔钱。
3. 3. Betting is a popular pastime in many countries around the world.
   在世界上许多国家，下注是一种流行的消遣方式。