ardent
词根词缀：
ardency n. 热情；热烈
ard 燃烧 + ency 性质，状态，行为 → 燃烧的状态 → 热烈
ardent adj. 热情的
ard 燃烧 + ent 具有…性质的 → 像火一样燃烧的 → 热情的
ardor n. 热情；热切
ard 燃烧 + or 表性质 → 热情；热切
arson n. 纵火；纵火罪
ars 燃烧 + on 人 → 纵火；纵火罪
数据来源：新东方英语词汇速记大全
相关例句：
The general was an unattractive man to all but his most ardent admirers
除了他那些铁杆崇拜者外，这位将军对于其他人并无吸引力。
Some ardent supporters were urging him to stand
一些热心支持者正在力劝他参选。
Ardent expectations were held by his parents for his college career.
他父母对他的大学学习抱着殷切的期望。
On the one hand, it's for rhyming; on the other hand, it may expresses my ardent hopes and wishes.
一方面是为了押韵，另一方面，也是表达了我自己殷切的希望和祝福吧。
It is my ardent wish that he come at once.
我热切地希望他立刻来。
Her adoration of Father Ralph had turned into an ardent, very girlish crush.
她对拉尔夫神父的崇拜也变成了热爱，那就是少女的迷恋。