foolish as a person is,he can succeed in his work if he works hard.是什么意思？

直译是
愚蠢的人,只要努力,就会成功.
翻译成谚语是
世上无难事,只怕有心人

Foolish as a person is,he can succeed in his work if he works hard.
尽管他是一个呆子,但只要他努力工作,他就能在工作上取得成功.

这里前半句是让步倒装句,相当于Although he is a foolish person.

foolish as a person is,he can succeed in his work if he works hard.
虽然人是愚蠢的，如果他努力工作，他可以在他的工作上取得成功。