adj.头向前的；匆促而用力的；轻率的
adv.头向前地；猛然的用力的；轻率地
He made a headlong plunge into the river. 他一头栽进河里。
The calm water ends there and the river begins a headlong plunge. 平静的河水突然中断，开始奔腾直泻而下。
They made a headlong dash for the door. 他们迅猛地向门口冲去。
She was so simple and young and headlong. 她是那么单纯、年轻和直率。
用作副词 (adv.)A young man rushed headlong into the crowd. 一个年轻人急匆匆用力挤进人群。
He rushed headlong into marriage. 他仓促轻率地结了婚。
