/ˈkɑːl.drən/
A cauldron is a very large, round metal pot used for cooking over a fire. In stories and fairy tales, a cauldron is used by witches for their spells.
If you describe a situation as a cauldron, you mean that it is unstable or dangerous. [usu sing] [JOURNALISM 新闻]
A thin veneer of law and order barely keeps the seething, bubbling cauldron of chaos and Anarchy in check.
表面上的几条法令基本控制不住无政府混乱局面的湍流涌动。