in·ci·sive /ɪnˈsaɪsɪv/
 (a.)敏銳的,機敏的,激烈的,切入的,鋒利的


 in·ci·sive /ɪnˈsaɪsɪv/ 形容詞
 (拉,incisivus)切牙的,切的


 In·ci·sive a.
 1. Having the quality of incising, cutting, or penetrating, as with a sharp instrument; cutting; hence, sharp; acute; sarcastic; biting; trenchant. “An incisive, high voice.”
 And her incisive smile accrediting
 That treason of false witness in my blush.   --Mrs. Browning.
 2. Anat. Of or pertaining to the incisors; incisor; as, the incisive bones, the premaxillaries.

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 incisive
      adj 1: having or demonstrating ability to recognize or draw fine
             distinctions; "an acute observer of politics and
             politicians"; "incisive comments"; "icy knifelike
             reasoning"; "as sharp and incisive as the stroke of a
             fang"; "penetrating insight"; "frequent penetrative
             observations" [syn: acute, discriminating, keen,
              knifelike, penetrating, penetrative, piercing,
              sharp]
      2: very penetrating and clear and sharp in operation; "an
         incisive mind"; "a keen intelligence"; "of sharp and
         active intellect" [syn: keen, sharp]
      3: suitable for cutting or piercing; "incisive teeth"; "the
         piercing needle" [syn: piercing]