n.[U]

1. 激情；狂熱
   His political ardor led him into many arguments.

   他的政治狂熱使他多次捲入爭論中。

2. 熱情；熱忱；熱切[（+for）]
   She displayed great ardor for art.

   她對藝術表現出極大的熱心。

3. 灼熱