as·sail /əˈse(ə)l/
  (vt.)攻擊,襲擊;著手解決
  As·sail v. t. [imp. & p. p. Assailed p. pr. & vb. n. Assailing.]
  1. To attack with violence, or in a vehement and hostile manner; to assault; to molest; as, to assail a man with blows; to assail a city with artillery.
     No rude noise mine ears assailing.   --Cowper.
  No storm can now assail
  The charm he wears within.   --Keble.
  2. To encounter or meet purposely with the view of mastering, as an obstacle, difficulty, or the like.
     The thorny wilds the woodmen fierce assail.   --Pope.
  3. To attack morally, or with a view to produce changes in the feelings, character, conduct, existing usages, institutions; to attack by words, hostile influence, etc.; as, to assail one with appeals, arguments, abuse, ridicule, and the like.
     The papal authority . . . assailed.   --Hallam.
     They assailed him with keen invective; they assailed him with still keener irony.   --Macaulay.
  Syn: -- To attack; assault; invade; encounter; fall upon. See Attack.
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  assail
       v 1: attack someone physically or emotionally; "The mugger
            assaulted the woman"; "Nightmares assailed him
            regularly" [syn: assault, set on, attack]
       2: launch an attack or assault on; begin hostilities or start
          warfare with; "Hitler attacked Poland on September 1, 1939
          and started World War II"; "Serbian forces assailed
          Bosnian towns all week" [syn: attack] [ant: defend]
       3: attack in speech or writing; "The editors of the
          left-leaning paper attacked the new House Speaker" [syn: attack,
           round, lash out, snipe, assault]