out on a limb 处于危境、孤立无援

当你处于 out on a limb 的情况时，这就是说你处于一个孤立无援或者是比较危险的状态。这并不意味你的身体将受到伤害，而更多的是指一个人的处境不利，会造成尴尬或者失望。

例句

I'm going to go out on a limb here and tell you that I love you.

She really went out on a limb when she criticised the professor in front of the whole class.

请注意

Risk life and limb 意思就是“冒着生命危险”，这种情形很可能会造成人身伤害。

例句

Racing drivers risk life and limb every time they go to work.

You'll be risking life and limb if you go out into the storm to take photos.