gnarl /ˈnɑr(ə)l/
 節,瘤(vi.)生節,咆哮(vt.)使有節,扭


 Gnarl v. i. [imp. & p. p. Gnarled p. pr. & vb. n. Gnarling.]  To growl; to snarl.
    And wolves are gnarling who shall gnaw thee first.   --Shak.


 Gnarl, n.  a knot in wood; a large or hard knot, or a protuberance with twisted grain, on a tree.

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 gnarl
      n : something twisted and tight and swollen; "their muscles
          stood out in knots"; "the old man's fists were two great
          gnarls"; "his stomach was in knots" [syn: knot]
      v 1: twist into a state of deformity; "The wind has gnarled this
           old tree"
      2: make complaining remarks or noises under one's breath; "she
         grumbles when she feels overworked" [syn: murmur, mutter,
          grumble, croak]