headfirst
['hɛd'fɚst]
ad. 头

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.
   屈体跳，镰跳头种跳动，把身体弯腰、腿伸，身体先触姿势跳，先触脚
2. Jim plunged headfirst into the restaurant business.
   匆匆忙忙始馆。
3. Hermione Stupefies him, and he falls headfirst into the bell jar, his head turning into a baby's.
   赫敏击昏，头朝倒钟形玻璃罐，头婴头。

headfirst
[ adv ]

1. with the head foremost

<adv.all>
the runner slid headlong into third base

[ adj ]

1. with the head foremost

<adj.all>
a headfirst plunge down the stairs
a headlong dive into the pool

Headfirst \Head`first"\ (h[e^]d"f[~e]rst`), Headforemost
\Head`fore"most`\ (h[e^]d`f[=o]r"m[=o]st`), adv.
With the head foremost; -- of motion.