麻煩幫忙把這個笑話翻譯成英語！

one couple were viewing and admiring works of art in a museum.The nearsighted wife,she standed in front of one works and spoke to his husband:"here look,this is the guliest picture I have ever seen in my life.the husband drawed his wife promptly and bleated:"come here,darling.it's not a picture,it's a mirror.