anticlimax /ˌæntɪˈklaɪmæks/

• 1. 

  N-VAR You can describe something as an anticlimax if it disappoints you because it happens after something that was very exciting, or because it is not as exciting as you expected. 令人失望的事物; 令人扫兴的事物

  例：

  After the marvellous display of Saturday morning, the remaining ceremonies were something of an anticlimax.

  周六早晨的精彩展示之后，接下来的庆典简直令人扫兴。