v fail to meet the hopes or expectations of
s disappointingly unsuccessful
a. 失望的
1. I was disappointed when I found out the concert was canceled.
我得知音乐会被取消时感到失望。
2. She felt disappointed because she didn't get the job she wanted.
她感到失望，因为没有得到她想要的工作。
3. He was disappointed with his test results and wanted to do better next time.
他对自己的考试成绩感到失望，想下次做得更好。