He did a good job in preparing the initial studies to show that it was safe.

他在最初的实验中,做了很好的工作,以证明疫苗是安全的

耶鲁公开课 - 生物医学工程探索课程节选

So it looks like this child did a good job.

看来这个孩子做的不错。

麻省理工公开课 - 媒体、教育、市场课程节选

And three will mean you did a really good job that will be top grade.

三分是最高分,说明你做的非常好

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选