新概念三册一句话的理解 第46课 The worst thing about the do it

新概念三册一句话的理解 第46课 The worst thing about the do it
新概念三册一句话的理解
第46课
The worst thing about the do it yourself game is that sometimes even men live under the delusion that they can do anything,even when they have repetedly been proved wrong.
书上翻译是,自己动手的例子中最糟糕的是,有时甚至是男人尽管连接失败,却还误以为自己什么都行.
这里的连接失败,在哪里体现的,就这里看不懂
真诚提问,