老丈 lǎozhàng

lǎozhàng noun sir; elderly gentleman
Domain: Literary Chinese 文言文 , Subdomain: , Concept:
Notes: A polite form of address for an elderly gentleman (CC-CEDICT '老丈'; Guoyu '老丈'; Mathews 1931 '老丈', p. 21)

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老丈人