double happy的意思是双喜临门，双喜。例句：Tomorrow is Double Ninth Festival，Wish all the old people a happy holiday（明天是九九重阳节，祝愿所有的老人节日快乐）。

double happy的例句：District contingent's teacher calls to permit double happiness teacher，is possible we the name all to have a happy character，we as if special hitting it off well with one another（区队的老师叫许双喜老师，可能我们的名字都有一个喜字吧，我们似乎特别的投缘）。