1.〈口〉失望,令人失望的事物
2.〈美〉(速度,努力等的)下降,减少
3.松劲
1.something that makes you feel disappointed because it is not as good as you expected it to be
1.That's a bit of a letdown after three articles on using the Document Object Model, isn't it?
阅读了三篇关于使用文档对象类型的文章之后，再来讨论它是不是很简单了？
2.That's a letdown. . . I was hoping for a bit more than just a few sparks.
那放松一下吧。而且我还希望能得到这些小火花以外的东西。但丁得到路西法。
3.Life hasn't always been easy for Steve Jobs. But, Jobs shook off the letdown and he went on to found the NeXT Corporation and Pixar.
史蒂夫.乔布斯的人生从来不凡，他很快就摆脱阴影，创办了NeXT公司，还与人和办了皮克斯动画。
4.Expectations for the Shanghai World Exposition were built up so high, there was bound to be a bit of a letdown.
们对上海世界博览会（简称世博）的期望如此之高，因此势必会有些失望。
5.Try to relax during the letdown. Usually the milk will spurt out in forceful sprays in the beginning, and then slow down.
躺下是放松，通常乳汁会在最开始喷出，后面就逐渐慢下来。
6.The 2010 model year is likely to be a bit of a letdown across the industry as companies back off product plans to weather the weak economy.
2010年车型年很可能会有点失望整个行业的公司回到了产品计划，以度过经济疲弱。
7.I'm not worried about any of this in the retail version, but it's just a big letdown to be given so little.
我不担心其他的零售版本，但这只是一个大逆转给他这么少。
8.Instead, the pressure must be released at hundreds of sites across the supply network known as letdown stations.
因此，这些压力必须经过天然气输送网络中的上百个减压站释放出来。
9.David: I was told my girlfriend was speaking ill of me. It's a real letdown.
大卫：我听说我女朋友在谈论我的坏话。这真让人泄气。
10."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。