She blundered in not closing the door after leaving .

她犯了个走后不锁门的愚蠢大错。

He blundered in and out .

他踉踉跄跄地走进走出。

He blundered through the dark forest .

他在黑暗的森林中跌跌撞撞地走。

One who thinks others cannot live without him namely more blundered .

如果认为别人没有你不能生活，你更是错了。

It is hard to think of a messier and more wasteful way of shifting from fossil and nuclear fuel to renewable energy than the one germany has blundered into .

这个很难想像，这样一种从化石燃料和核燃料转换到可再生能源燃料的方式比整个德国犯错还麻烦和浪费更大。