adj.冲动的；猛烈的；轻率的
He is an impetuous young man. 他是个易冲动的年轻人。
She regretted her impetuous decision. 她后悔自己做了冲动的决定。
It was impetuous of her to do that. 她竟做那种事,真是鲁莽。
Youngsters are usually more impetuous than old people. 年轻人常比老年人急躁。
It would be foolish and impetuous to resign over such a trivial matter. 为这样的小事辞职未免愚蠢而轻率。
n.激烈(迅疾；冲动；急躁)
