我等你们回来用英语可以说成 "I'll wait for you to come back."
这句话的来源是英语中常用的表达方式，通常用于表示等待某人回来。
下面是一些例句：
I'll wait for you to come back from your trip. (我会等你从旅行中回来)
I'll wait for you to finish your work. (我会等你工作完)
I'll wait for you until you're ready to leave. (我会等你准备好离开)