te·na·cious /təˈneʃəs/
  (a.)緊粘不放的,固執的,緊握的,不屈不撓的
  te·na·cious /təˈneʃəs/ 形容詞
  粘的,頑固的,粘滯的,堅韌的
  Te·na·cious a.
  1. Holding fast, or inclined to hold fast; inclined to retain what is in possession; as, men tenacious of their just rights.
  2. Apt to retain; retentive; as, a tenacious memory.
  3. Having parts apt to adhere to each other; cohesive; tough; as, steel is a tenacious metal; tar is more tenacious than oil.
  4. Apt to adhere to another substance; glutinous; viscous; sticking; adhesive. “Female feet, too weak to struggle with tenacious clay.”
  5. Niggardly; closefisted; miserly.
  6. Holding stoutly to one's opinion or purpose; obstinate; stubborn.
  -- Te*na*cious*ly, adv. -- Te*na*cious*ness, n.
  ◄ ►
  tenacious
       adj 1: stubbornly unyielding; "dogged persistence"; "dour
              determination"; "the most vocal and pertinacious of
              all the critics"; "a mind not gifted to discover truth
              but tenacious to hold it"- T.S.Eliot; "men tenacious
              of opinion" [syn: bulldog, dogged, dour, pertinacious,
               unyielding]
       2: (of memory) having greater than average range; "a long
          memory especially for insults"; "a tenacious memory" [syn:
           long]
       3: sticking together; "two coherent sheets"; "tenacious burrs"
          [syn: coherent]