doy·en /ˈdɔɪən, ˌ(j)ɛn; ˈdwɑˌjæn(n)/
  老資格,首席
  Doy·en n.  Lit., a dean; the senior member of a body or group; as, the doyen of French physicians. “This doyen of newspapers.”
  ◄ ►
  doyen
       n : a man who is the senior member of a group; "he is the dean
           of foreign correspondents" [syn: dean]