过去Jack在课堂上表现很差的翻译：Jack in the past done very badly in class 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

Jack in the classroom over the poor performance

Jack in the past done very badly in class

In the past Jack displayed in the classroom very badly

Past Jack poor performance in the classroom

Jack in the past done very badly in class