viper
noun [ C ] uk/ˈvaɪ.pər/ us/ˈvaɪ.pɚ/
蝰蛇（一种小毒蛇）
a small poisonous snake
literary阴险的人
a very unpleasant person who you cannot trust
When I started my new job, I didn't realize that I was walking into a nest of vipers. 当我开始新的工作时，我没有意识到自己已经进了一个蛇蝎之窝。