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....
He conjectured that some individuals may be able to detect major calamities.他猜测说有些人也许能够察觉重大灾难。They will only triumph by persevering in their struggle against natural calamities.他们只有坚持与自然灾害搏斗,才能取得胜利.One moment's fals...