DICT.TW Dictionary Taiwan

 Un·cle Sam /ˌʌŋkəlˈsæm/
 山姆大叔

 Un·cle n.
 1. The brother of one's father or mother; also applied to an aunt's husband; -- the correlative of aunt in sex, and of nephew and niece in relationship.
 2. A pawnbroker. [Slang]
 3. An eldery man; -- used chiefly as a kindly or familiar appellation, esp. (Southern U. S.) for a worthy old negro; as, “Uncle Remus.” [Colloq.]
    Plain old uncle as he [Socrates] was, with his great ears, -- an immense talker.    --Emerson.
 My uncle, a pawnbroker. [Slang]
 Uncle Sam, a humorous appellation given to the United States Government. See Uncle Sam, in Dictionary of Noted Names in Fiction.
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 Uncle Sam
      n : a personification of the United States government