他过去学习不努力.当老师上课时,他假装在认真听讲.用英语怎么说?

问题描述:

他过去学习不努力.当老师上课时,他假装在认真听讲.用英语怎么说?

He didn't study hard in the past . When having classes , he always pretend to listen to the teacher seriously