在英语中，可以用 "There is no homework today" 来表示 "你们今天没作业"。这句话的来源是用来告诉学生们今天没有布置作业。

例句：

"Teacher, is there any homework tonight?" "No, there is no homework today." (老师，今天晚上有作业吗？"没有，今天没有作业。")
"I'm glad we don't have homework today. I can relax and watch TV." (我很高兴今天没有作业，我可以放松一下，看电视了。)

希望这些信息对你有帮助。