他假装写完作业英语怎么说

“假装写完作业”可以用英文表示为“pretend to finish homework”。这个表达方式来源于英语中“pretend”这个动词，意思是“假装”或“装作”。
例句：
He pretended to finish his homework, but his teacher knew he was lying. 他假装完成了作业，但他的老师知道他在撒谎。
I can't believe she managed to pretend to finish all of her homework in just an hour. 我真的不敢相信她竟然能装作在一个小时内完成了所有的作业。
He always pretends to finish his homework, but his grades are always poor. 他总是假装完成作业，但成绩总是很差。