Mr.
来自Big Physics
wiktionary
Abbreviation of Mister.
Abbreviation of March.
etymonline
Mr.
mid-15c., abbreviation of master (n.); also see mister. Used from 1814 with a following noun or adjective, to denote "the exemplar or embodiment of that quality," as in Mr. Right "the only man a woman wishes to marry" (1826); Mr. Fix-It "one skilled in setting right difficult situations" (1912); Mr. Big "head of an organization; important man" (1940). The Procter & Gamble advertising character Mr. Clean dates from 1959. The plural Messrs. (1779) is an abbreviation of French messieurs, plural of monsieur, used in English to supply the plural of Mr., which is lacking.
