1, "Birds in a cage don't hate Guan Yu and Zhang Fei" means that the caged bird is Guan Yu, which means that he has the ability but can't display it. Birds are kept in cages, just like their wings are tied and cannot be opened easily. Guan Yu and Zhang Fei are used as metaphors because their words are similar in meaning to this sentence, and the birds here are also metaphors.

2. "Life is alive, and it is even more important to be Wukong if you want Bajie", which refers to the Buddhist "Bajie" and forbids killing; Second, stop stealing; Three abstinence; Lies under temptation; 5. Abstinence from alcohol; Sixth, warn Koge; Seven commandments: sit on a high bed; Bajie is out of season. Wukong, on the other hand, is aware that all things are born in various environments, which is illusory and unreal, and does not last long.

The key to understand the meaning of this sentence is to tell people's attitude towards life with the pun of Chinese characters and the pun of names embedded in them. Don't be too demanding, too demanding of yourself, too pursuing perfection. Instead, we should take things as they are, retreat from difficulties and leave some regrets.