letdown
n. 失望；松弛；减低
例句
The band's performance that night at the Seattle Center Coliseum was a letdown.
该乐队当晚在西雅图中心体育馆的表演令人大失所望。
《柯林斯英汉双解大词典》
According to some, the letdown can be explained in three words: the U.S. Senate.
某种意义上来说，这一失望结果可以用五个字来解释：美国参议院。
"The electric car has been a letdown," says online technology editor Larry Greenemeier.
“电力汽车非常让人是失望。”在线科技编辑拉瑞·格林纳·梅尔的这样说。
