be·hind /bɪˈhaɪnd/
 (ad.)在後面,落後在…後面,落後于
 Be·hind prep.
 1. On the side opposite the front or nearest part; on the back side of; at the back of; on the other side of; as, behind a door; behind a hill.
    A tall Brabanter, behind whom I stood.   --Bp. Hall.
 2. Left after the departure of, whether this be by removing to a distance or by death.
    A small part of what he left behind him.   --Pope.
 3. Left a distance by, in progress of improvement Hence: Inferior to in dignity, rank, knowledge, or excellence, or in any achievement.
    I was not a whit behind the very chiefest apostles.   --2 Cor. xi. 5.
 Be·hind, adv.
 1. At the back part; in the rear. “I shall not lag behind.”
 2. Toward the back part or rear; backward; as, to look behind.
 3. Not yet brought forward, produced, or exhibited to view; out of sight; remaining.
    We can not be sure that there is no evidence behind.   --Locke.
 4. Backward in time or order of succession; past.
    Forgetting those things which are behind.   --Phil. ii. 13.
 5. After the departure of another; as, to stay behind.
    Leave not a rack behind.   --Shak.
 Be·hind, n. The backside; the rump. [Low]
 ◄ ►
 behind
      adj : having the lower score or lagging position in a contest;
            "behind by two points"; "the 8th inning found the home
            team trailing" [syn: behind(p), trailing]
      n : the fleshy part of the human body that you sit on; "he
          deserves a good kick in the butt"; "are you going to sit
          on your fanny and do nothing?" [syn: buttocks, nates,
           arse, butt, backside, bum, buns, can, fundament,
           hindquarters, hind end, keister, posterior, prat,
           rear, rear end, rump, stern, seat, tail, tail
          end, tooshie, tush, bottom, derriere, fanny, ass]
      adv 1: in or to or toward the rear; "he followed behind"; "seen
             from behind, the house is more imposing than it is
             from the front"; "the final runners were far behind"
      2: remaining in a place or condition that has been left or
         departed from; "when he died he left much unfinished work
         behind"; "left a large family behind"; "the children left
         their books behind"; "he took off with a squeal of tires
         and left the other cars far behind"
      3: of timepieces; "the clock is almost an hour slow"; "my watch
         is running behind" [syn: slow]
      4: in or into an inferior position; "fell behind in his
         studies"; "their business was lagging behind in the
         competition for customers"
      5: in debt; "he fell behind with his mortgage payments"; "a
         month behind in the rent"; "a company that has been run
         behindhand for years"; "in arrears with their utility
         bills" [syn: behindhand, in arrears]