老先生 lǎoxiānsheng old gentleman Origin Definitions Defs Strokes Stroke Words Sentences Sents lǎoxiānsheng old gentleman 老 lǎo adjective old old; aged; (of people) venerable先生 xiānsheng noun Mr. mister; Mr.; sir; a polite form of address for any manlǎoxiānsheng venerable scholar 老 lǎo adjective old old; aged; (of people) venerable先生 xiānsheng teacher teacher; a respectful title for an educator or a person of great learning or prestige