Aries' nickname is tranquility. Because Aries is very gentle and kind, I hope they are all safe and healthy.
Taurus's nickname is happiness, which looks a bit tacky, but it is also a deep blessing to hardworking Niu Niu, wishing them a happy life.
Gemini's nickname is Tao Tao, which may be related to Gemini's personality. It is fickle and mischievous, so it is called Tao Tao.
As for the nickname of Cancer, people usually like to call it "A", which is related to the fact that Cancer is always peaceful and easy to be seen.
Leo's nickname is a bit interesting, even called Lele, which is related to the inner strength of Leo people. They are competitive everywhere, showing their incomparable value. They must be happy. Virgo, however, is called perfection. It's a bit like Virgo's nature of pursuing perfection everywhere.
Libra's nickname is peace. Somehow, seeing Libra's calm figure really has something to do with this peace.
Scorpio's nickname, people can call it whatever they want, as long as it is overlapping, such as green and gorgeous. Guess what Sagittarius's nickname is? It's called a dance. Isn't that a cute nickname? It's like a big round balloon rolling in front of me.
As for Capricorn's nickname, it also begins with the word A, and the words behind it can be called at will. Aquarius's nickname is smart. Will this cause jealousy in other constellations? Smart is so straightforward and unambiguous. Is this too confident?