let down the bars

例句：

1. 1. The performance was so bad that everyone let down the bars.
   表演太糟糕了，每个人都感到失望。
2. 2. He let down the bars when he failed to meet his goals.
   他未能实现目标时感到失望。
3. 3. Her disappointment was evident as she watched her team lose the game.
   她因看到她的团队输掉比赛而感到沮丧。