gazunder

例句：

1. 1. The news of his failure disappointed everyone.
   他失败的消息让每个人都感到失望。
2. 2. Her efforts to improve the situation were all in vain.
   她试图改善情况的努力都白费了。
3. 3. The defeat left him feeling demoralized and defeated.
   这次失败让他感到灰心丧气，毫无斗志。