lack /ˈlæk/
 缺乏,不足(vi.)缺乏,短少,沒有缺乏,短少,沒有;需要


 Lac Lakh, n.  One hundred thousand; also, a vaguely great number; as, a lac of rupees. [Written also lack.] [East Indies]

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 Lack, v. i.
 1. To be wanting; often, impersonally, with of, meaning, to be less than, short, not quite, etc.
 What hour now?
 I think it lacks of twelve.   --Shak.
    Peradventure there shall lack five of the fifty.   --Gen. xvii. 28.
 2. To be in want.
    The young lions do lack, and suffer hunger.   --Ps. xxxiv. 10.


 Lack n.
 1. Blame; cause of blame; fault; crime; offense. [Obs.]
 2. Deficiency; want; need; destitution; failure; as, a lack of sufficient food.
    She swooneth now and now for lakke of blood.   --Chaucer.
    Let his lack of years be no impediment.   --Shak.


 Lack, v. t. [imp. & p. p. Lacked p. pr. & vb. n. Lacking.]
 1. To blame; to find fault with. [Obs.]
    Love them and lakke them not.   --Piers Plowman.
 2. To be without or destitute of; to want; to need.
    If any of you lack wisdom, let him ask of God.   --James i. 5.


 Lack, interj.  Exclamation of regret or surprise. [Prov. Eng.]

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 lack
      n : the state of needing something that is absent or
          unavailable; "there is a serious lack of insight into the
          problem"; "water is the critical deficiency in desert
          regions"; "for want of a nail the shoe was lost" [syn: deficiency,
           want]
      v : be without; "This soup lacks salt"; "There is something
          missing in my jewellery box!" [syn: miss] [ant: have]