dis·cern /dɪˈsɝn, ˈzɚ/
  (vt.)(vi.)辨別,看清楚
  Dis·cern, v. i.
  1. To see or understand the difference; to make distinction; as, to discern between good and evil, truth and falsehood.
     More than sixscore thousand that cannot discern between their right hand their left.   --Jonah iv. 11.
  2. To make cognizance. [Obs.]
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  Dis·cern v. t. [imp. & p. p. Discerned p. pr. & vb. n. Discerning.]
  1. To see and identify by noting a difference or differences; to note the distinctive character of; to discriminate; to distinguish.
     To discern such buds as are fit to produce blossoms.   --Boyle.
     A counterfeit stone which thine eye can not discern from a right stone.   --Robynson (More's Utopia).
  2. To see by the eye or by the understanding; to perceive and recognize; as, to discern a difference.
     And [I] beheld among the simple ones, I discerned among the youths, a young man void of understanding.   --Prov. vii. 7.
     Our unassisted sight . . . is not acute enough to discern the minute texture of visible objects.   --Beattie.
     I wake, and I discern the truth.   --Tennyson.
  Syn: -- To perceive; distinguish; discover; penetrate; discriminate; espy; descry; detect. See Perceive.
  discern
       v : detect with the senses; "The fleeing convicts were picked
           out of the darkness by the watchful prison guards"; "I
           can't make out the faces in this photograph" [syn: recognize,
            recognise, distinguish, pick out, make out, tell
           apart]