fell flat

• v. 不能引起兴趣

fell flat的用法和样例：

例句

1. He stumbled over a stump and fell flat on his face.
   他给树桩一绊，摔了个嘴啃泥。
2. He had not gone many steps before he stumbled on the uneven ground and fell flat on his face.
   他在那高低不平的地面上才走了几步，就被绊了一下，直挺挺地跌趴在地上。
3. The jokes fell flat.
   玩笑毫无效果