head-first

音标发音

Andy squeezes through the hole head-first, emerges to the waist, He reaches for the opposite wall, manages to snag a steel conduit with his fingers.
安迪挤出隧道，先是头，接着是腰。他碰到了对面的墙，设法用手指抓住一根钢管。
Hearty debate abounds about whether agile adoption is better done in a gradual "toe-dipping" manner or with an all-or-nothing "head-first dive" approach.
对于敏捷运用，是采用循序渐进的方式更好，还是要么不用，要么彻底全面使用更有效，一直有着很激烈的争论。
First hold the nail with the wide head by its shaft and push it head-first into the ball of clay.
首先将宽头钉的杆竖起，将其头朝下推入橡皮泥球。

But the second baby -- a girl came head first and blue as death.
For his first trip abroad with an international arrest warrant on his head, President Omar al-Bashir chose another country that has long maintained a defiant posture towards western countries.

The company might have just run head-first into the bricks as of Friday.
ENGADGET: Google services grind to a halt in China, political transition suspected as the culprit (update)

If you move headfirst in a particular direction, your head is the part of your body that is furthest forward as you are moving.