adv.头向前地，不顾前后地
adv.(副词)头向前地鲁莽地仓促地不顾前后地冒失地轻率地

adv.(副词)

头向前地
鲁莽地
仓促地
不顾前后地
冒失地
轻率地

Headfirst Long Entry → 镰刀式入水
fall headfirst → 倒栽葱
headfirst note → 策略模式
headfirst entry → 头先入水的跳水动作
Headfirst for Halos → 唱片名
headfirst slide → 头前滑垒
Headfirst position → 头前位
HEADFIRST PRODUCTS → 国别
enter water headfirst → 头朝下跳入水中

1.A dive executed by jumping headfirst, bending the body at the waist, and, with the legs straight, touching the feet with the hands before straightening out to enter the water hands first.
[汉]屈体跳水，镰刀式跳水头向下的一种跳水动作，把身体弯到腰部、腿伸直，在打开身体且以手先触水的姿势跳入水中以前，要先用手触脚

【Adjective】

1. with the head foremost;
"a headfirst plunge down the stairs"
"a headlong dive into the pool"
【Adverb】

1. with the head foremost;
"the runner slid headlong into third base"