to sb.'s disappointment

例句：

1. 1. His unexpected failure left mein great disappointment.
   他的意外失败让我感到非常失望。
2. 2. Her sudden departure left everyone in disappointment.
   她的突然离开让每个人都感到失望。
3. 3. Thenews of his success was to everyone's disappointment.
   他成功的消息让每个人都感到失望。