资料来源 : pyDict

敏捷,活泼

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Briskness \Brisk"ness\, n.
   Liveliness; vigor in action; quickness; gayety; vivacity;
   effervescence.

资料来源 : WordNet®

briskness
     n : liveliness and eagerness; "he accepted with alacrity" [syn:
         {alacrity}]