The boy dived headlong into the swimming pool.

男孩一头扎进游泳池。

The naughty child bumped headlong into the window.

这个调皮的孩子一头撞上了窗户。

With all due respect, your decision was too headlong.

恕我直言，你的决定太草率了。

He ran headlong for the open door.

他向那扇敞开的门猛冲过去。

He ran headlong into a police car.

他一头撞上了一辆警车。

She fell headlong into the icy pool.

她倒栽葱掉进了冰冷的水池中。

She missed her footing and fell headlong down the stairs.

她一脚踩空了，头朝前摔下楼梯。

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。