cro·ny /ˈkroni/
  密友,親伴,好朋友
  cro·ny n.; pl. Cronies
  1. A crone. [Obs.] “Marry not an old crony.”
  2. An intimate companion; a familiar friend. [Colloq.]
     He soon found his former cronies, though all rather the worse for the wear and tear of time.   --W. Irving.
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  crony
       n : a close friend who accompanies his buddies in their
           activities [syn: buddy, brother, chum, pal, sidekick]