消极主义者

例句：

1. 1.He is a pessimist who always believes the worst will happen.
   他是个悲观主义者，总是认为最坏的情况会发生。
2. 2.The negativist viewpoint argues that progress is impossible.
   这种否定主义的观点认为进步是不可能的。
3. 3. Many people are pessimists who believe that life is not worth living.
   许多人是悲观主义者，认为生活不值得过。