生活中没有惊喜怎么说英语

If there are no surprises in life, you could say "life is mundane" or "life is routine". You could also say "there's no excitement in my life" or "my life is dull and predictable". If you want to express a sense of disappointment or frustration, you could say "I'm disappointed that my life is so predictable" or "I wish there were more surprises in my life".