The phoenix nirvana is a symbolic idiom, which means that the phoenix is reborn again after burning out in the fire, and shines with more beautiful and brilliant light, which is extended to the process of rejuvenating and gaining new life after being hit, failed or disaster.

Nirvana is a Buddhist term, which means that Buddhists get rid of pain and reincarnation through practice and enlightenment, and obtain eternal peace and liberation. In idioms, phoenix nirvana is a kind of spiritual liberation and sublimation, a process of rebirth after suffering and setbacks, and a symbol of positive strength and hope.

Therefore, the idiom "phoenix nirvana" is usually used to describe a person or thing that has experienced great difficulties, setbacks or hardships, regained vitality and vitality, re-emerged and achieved success. It encourages people not to give up hope and efforts, constantly challenge themselves, and stand up again to meet new challenges and opportunities after being hit, failed or disaster.