He climbed into the car at the hazard of his life.

他命危进了汽车。

I risked life and limb to get here on time.

我命危准时赶到这里。

She risked life and limb to save her son from the fire.

她命危把儿子从火中救来。

She braved death to rescue me.

她命危来救我。

Rock-climbers sometimes hazard their lives.

攀登岩石者有时要命危。