pessimist

n.悲观主义者; 悲观论者 复数：pessimists 牛津词典 noun 悲观主义者；悲观论者a person who always expects bad things to happenYou don't have to be a pessimist to realize that we're in trouble.不是悲观论者也能意识到我们有了麻烦。 柯林斯词典 N-COUNT...