play sb. off against one another

例句：

1. 1.She loves to play the piano for hours on end.
   她喜欢不停地弹钢琴。
2. 2. He played a crucial role in the team's success.
   他在团队的成功中发挥了关键作用。
3. 3.They played a game of soccer in the park last Sunday.
   他们上星期天在公园里踢了一场足球。