熱情的英文：
zeal; enthusiasm; ardour

zeal是什么意思：
n. 热情；热心

Zeal without prudence is frenzy
热情而不审慎等于狂热

Zeal should not outrun discretion
热情不应压倒谨慎

Zeal without prudence is frenzy.
缺乏谨慎的热心是疯狂的行为。

enthusiasm是什么意思：
n. 热心，热情，热忱

He was ablaze with enthusiasm.
他热情洋溢。

Nothing is so contagious as enthusiasm.
热情是最富有感染力的。

Father discourage the expression of enthusiasm.
父亲不准有热情的表示。

ardour是什么意思：
n. 热心，热情

I am come of a race for vigour of fancy and ardour of passion
我这族人素以幻想丰富、热情洋溢著称。

Bertha's passion for a while had masked her husband's want of ardour
伯沙的激情在短短一段时间内妨碍了她丈夫对热情的需要。