Meaning of láng:
郎
surname Lang; (arch.) minister; official; a youth
Zhège yǎnchànghuì de zhǔchàng shì Lǐ Láng.
这个演唱会的主唱是李郎。
The lead singer of this concert is Li Lang.
Nà wèi dàchén bèi chēng wéi xiánmíng de láng.
那位大臣被称为贤明的郎。
That minister was praised as a wise minister.
Zhè wèi xīn lái de guānyuán bèi rènmìng wéi bùmén de fùzé láng.
这位新来的官员被任命为部门的负责郎。
The new official was appointed as the department's responsible officer.
Tā shì yī gè cōngmíng de shàoláng.
他是一个聪明的少郎。
He is a clever youth.
noun prefix denoting function or status
Tā shì yī míng jiéchū de yīshēng láng.
他是一名杰出的医生郎。
He is an outstanding doctor.