从北京大学毕业以后，我就一直在这所学校工作的翻译：After he graduated from Peking University, I have been working in this school 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

After graduating from Beijing University, I have been working in this school

After he graduated from Peking University, I have been working in this school

From Beijing University graduation, I on continuously in this school work

After graduating from university, and I've been working in the school

After he graduated from Peking University, I have been working in this school