Pinyin: hùn dùn

Explanation: 1. In ancient legends, it refers to the state of undivided vitality and fuzzy mass before the creation of the world. 2. Integrated and inseparable. 3. Blurred; unclear. 4. Confused. 5. According to ancient legend, the central emperor Huan Chaos, also known as Hun Chaos, was born without seven orifices. He would dig one orifice every day and die in seven days. A metaphor for the state of nature and simplicity. 6. The name of an animal.

Example sentence: Fearing that the world would close again, Pangu held the sky with one hand and drew the chaotic aura of the sky-opening ax with the other hand to refine the four Ruyi Optimus Primes and anchor them in all directions.