"risk your neck" in Chinese (Simplified)
冒险（直译：冒自己的脖子）
Definition
做非常危险的事情，或者让自己处于严重危险中，常常是为了帮助别人。
Usage Notes (Chinese (Simplified))
非正式表达。突出某人冒很大个人危险，常用于'为某人冒险'等句型。不是字面意思，不是真的指脖子。
Examples
He risked his neck to pull the child from the fire.
他**冒着生命危险**把孩子从火里救了出来。
Don't risk your neck just to impress your friends.
不要只是为了给朋友留下好印象就**冒险**。
She would never risk her neck for a stranger.
她绝不会为陌生人**冒险**。
Why should I risk my neck when nobody else will help?
既然没人帮忙，为什么我非得**冒险**？
He always risks his neck for his friends, even when it's not smart.
他总是为朋友**冒险**，哪怕这样做并不聪明。
You don't have to risk your neck every time there's a problem.
每次有问题时，你不必都去**冒险**。