你要么非常年轻，要么是个不可救药的乐天派。You are either very young or an incurable optimist.乐天派的人a happy-go-lucky sort of person嗜赌的人是死不悔改的乐天派。Gamblers are incorrigible optimists....

“乐天派”的英语可以翻译为：optimist，good-time charlie，[电影]Carefree...