doomster

例句：

1. 1.The doomster of the world is the one who will bring about its downfall.
   世界的厄运制造者是那个将带来其灭亡的人。
2. 2. He was a doomster, always predicting disaster before it happened.
   他是一位预言家，总是在事情发生之前就预言灾难。
3. 3. The doomster of tomorrow's success is often the lack of preparation today.
   明天成功的厄运制造者往往是今天准备的缺失。