sec·ond·hand /ˈsɛkən(d)ˈhænd/
 (a.)間接獲得的,古舊的,二手的,做舊貨買賣的(ad.)間接地,間接聽來,以舊貨


 Sec·ond·hand a.
 1. Not original or primary; received from another; as, secondhand information.
    They have but a secondhand or implicit knowledge.   --Locke.
 2. Not new; already or previously possessed or used by another; as, a secondhand book, garment.
 At second hand. See Hand, n., 10.

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 secondhand
      adj 1: derived from what is primary or original; not firsthand; "a
             secondhand report"; "a secondhand account of a memory
             of something once read"; "most of our knowledge is
             secondhand"
      2: previously used or owned by another; "bought a secondhand
         (or used) car" [syn: used]
      adv : by indirect means; "I heard about it only secondhand or
            thirdhand"; "he prefers to buy secondhand"