There were many nice nicknames for the boy surnamed Mo. The following were some possible choices: 1. Mosen: It means that "the flowers on the road are dense" to describe a person with noble character and elegant temperament. 2. Moyi: It means "carefree, lofty and extraordinary" to describe a person who is free and detached from the world. 3. Mo Yang: It means "sunny and positive" to describe a person who is sunny and optimistic. 4. Self-cultivation: It means "self-cultivation and self-improvement" to describe a person with noble moral character and profound knowledge. 5. Mo Hong: It means that the ambition of a swan has a great future. It describes a person with great ambition and a future full of hope.