笑: Smile, joy, delight. When used in personal names, it often conveys the meaning of peace and smooth sailing.
诚: Integrity and Simplicity, embodying honesty. When used in personal names, it often signifies a person's genuine sincerity, trustworthiness, and the commendable quality of keeping one's word without fail.
Meaning: Laughter represents joy and cheerfulness, while sincerity embodies honesty and integrity, symbolizing optimism and trustworthiness.