headlong

头朝前地、一头地

He slipped on the wet steps and fell headlong into the pool.

他在湿滑的阶梯上一滑，一头掉进水池里。

飞快地、猛冲地

The frightened horses rushed headlong down the narrow lane.

受惊的马匹沿著窄巷飞奔而下。

贸然、轻率地

She plunged headlong into marriage after knowing him three weeks.

认识他三个星期后，她就贸然结婚了。

轻率的、贸然的、仓促的

The company's headlong expansion left it deep in debt.

公司仓促的扩张让它债务缠身。

飞奔的、猛冲的

Nothing could stop the headlong rush toward the exits.

没有什么能阻止人群朝出口猛冲。

头朝前的

His headlong dive into the shallow water looked dangerous.

他头朝前跳进浅水区的动作看起来很危险。