anticlimactic

The long-awaited season finale was rather anticlimactic, leaving many fans disappointed.

(Chinese) 期待已久的季终集相当令人扫兴，让许多粉丝感到失望。

After all the media hype, the actual product launch felt strangely anticlimactic.

(Chinese) 在媒体大肆宣传之后，实际的产品发布会感觉出奇地平淡。