朗: Bright and clean. When used in personal names, it often conveys a sense of purity, sunshine, gentlemanly demeanor, and being well-liked.
铎: The wooden bell and the ceremonial bell. In names, they often symbolize grandeur and vastness, aiding in the flourishing of one's endeavors.
Meaning: The name 'Lang Duo' has a melodic rhythm. 'Lang' signifies brightness and clarity, while 'Duo' represents an ancient musical instrument, symbolizing solemnity and authority.