It had potential , but you were underwhelming on the build up then you totally flubbed the punch line .

原本或许是个好故事，但你的铺垫一点都不吸引人，最后抖包袱时又搞砸了。

Talking about markets . I flubbed the line .

谈到市场的时候，我随口说出了那句话。

Why would we take counsel from the very people who , in our view , flubbed it all up ?

在我们看来，这个人在育儿方面做得糟糕透了，我们为什么要接受她的建议？

I flubbed my driving test .

我搞砸了我的驾照考试。

She flubbed the first line of the song .

她把第一行歌词唱错了。