you are on a roll你上道了你正鸿运当头双语对照例句:1.But lately I've been on a roll. 但最近我有点上道了。 2.China, by contrast, is on a roll. 相比之下,中国则顺风顺水。 3.Mancunians think their city is on a roll. 曼彻斯特人自认为他们的城市正鸿运当头