doomsayer
🇺🇸
/ˈduːmseɪər/
🇬🇧
/ˈduːmseɪə(r)/
someone who predicts bad events will happen
The doomsayer warned everyone about the terrible consequences of climate change.
这个预言灾难的人警告了每个人关于气候变化的可怕后果。