beat sb on the post

例句：

1. 1. He beat his opponent in the final match.
   他在决赛中击败了对手。
2. 2. The team beat their rivals in the championship game.
   该队在冠军赛中击败了对手。
3. 3. She beat her friend at chess.
   她在国际象棋比赛中击败了她的朋友。