keenness

• 名词，指热情、热切或热衷的品质；也指思维敏锐、洞察力强。

A noun describing the quality of being eager, enthusiastic, or having a sharp and penetrating intellect.

不可数

1. Sharpness of mindC1formal

   A quick and penetrating intelligence; the quality of being mentally acute.

   思维敏锐

   • Her keenness of mind allowed her to solve the puzzle quickly.
   • The professor was admired for his intellectual keenness.
   • His keenness in debate made him a formidable opponent.

   同义词acuityacutenessastutenessclevernessdiscernmentpenetrationperceptionperspicacitysharpnessshrewdness

   反义词dullnessobtusenessslownessstupidity

2. Eagerness or enthusiasmB2formal

   A positive feeling of wanting to push ahead with something; strong enthusiasm.

   热情

   • She showed great keenness to learn new skills.
   • His keenness for the project was evident in his hard work.
   • The team's keenness helped them finish ahead of schedule.

   同义词alacrityardoravidityeagernessearnestnessenthusiasmexcitementfervorpassionzeal

   反义词apathydisinterestindifferencereluctance

3. Sharpness of an edgeC1formal

   Thinness of edge or fineness of point; the quality of being sharp.

   锋利

   • The keenness of the blade made cutting effortless.
   • He tested the keenness of the knife on a piece of paper.
   • The razor's keenness ensured a clean shave.

   同义词acutenessedgepointednesssharpness

   反义词bluntnessdullness