forced /ˈforst, ˈfɔrst/
  (a.)被迫的,強迫的,用力的
  forced
  強制
  Force v. t. [imp. & p. p. Forced p. pr. & vb. n. Forcing ]
  1. To constrain to do or to forbear, by the exertion of a power not resistible; to compel by physical, moral, or intellectual means; to coerce; as, masters force slaves to labor.
  2. To compel, as by strength of evidence; as, to force conviction on the mind.
  3. To do violence to; to overpower, or to compel by violence to one's will; especially, to ravish; to violate; to commit rape upon.
     To force their monarch and insult the court.   --Dryden.
     I should have forced thee soon wish other arms.   --Milton.
     To force a spotless virgin's chastity.   --Shak.
  4. To obtain, overcome, or win by strength; to take by violence or struggle; specifically, to capture by assault; to storm, as a fortress; as, to force the castle; to force a lock.
  5. To impel, drive, wrest, extort, get, etc., by main strength or violence; -- with a following adverb, as along, away, from, into, through, out, etc.
  It stuck so fast, so deeply buried lay
  That scarce the victor forced the steel away.   --Dryden.
     To force the tyrant from his seat by war.   --Sahk.
     Ethelbert ordered that none should be forced into religion.   --Fuller.
  6. To put in force; to cause to be executed; to make binding; to enforce. [Obs.]
     What can the church force more?   --J. Webster.
  7. To exert to the utmost; to urge; hence, to strain; to urge to excessive, unnatural, or untimely action; to produce by unnatural effort; as, to force a conceit or metaphor; to force a laugh; to force fruits.
  High on a mounting wave my head I bore,
  Forcing my strength, and gathering to the shore.   --Dryden.
  8. Whist To compel (an adversary or partner) to trump a trick by leading a suit of which he has none.
  9. To provide with forces; to reënforce; to strengthen by soldiers; to man; to garrison. [Obs.]
  10. To allow the force of; to value; to care for. [Obs.]
     For me, I force not argument a straw.   --Shak.
  Syn: -- To compel; constrain; oblige; necessitate; coerce; drive; press; impel.
  Forced a. Done or produced with force or great labor, or by extraordinary exertion; hurried; strained; produced by unnatural effort or pressure; as, a forced style; a forced laugh.
  Forced draught. See under Draught.
  Forced march Mil., a march of one or more days made with all possible speed.
  -- For*ced*ly adv. -- For*ced*ness, n.
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  forced
       adj 1: produced by or subjected to forcing; "forced-air heating";
              "furnaces of the forced-convection type"; "forced
              convection in plasma generators"
       2: forced or compelled; "promised to abolish forced labor"
       3: made necessary by an unexpected situation or emergency; "a
          forced landing" [syn: unexpected]
       4: lacking spontaneity; not natural; "a constrained smile";
          "forced heartiness"; "a strained smile" [syn: constrained,
           strained]