【阶梯英文】

achieve
try to achieve
one is trying to achieve
forget what one is trying to achieve
One of the most dangerous forms of human error is forgetting what one is trying to achieve.

【阶梯中文】

目标
试图达到目标
一个人试图达到目标
忘记自己的试图达到目标是什么
人犯错误最危险的一种就是忘记自己的目标是什么。

【单词解析】

error：错误；实用短语：make an error：犯错误；实用例句：Carelessness often leads to errors.粗枝大叶往往造成错误。