Out on a limb 出来站到枝干上

含义: 作某种冒险，让自己处于某种困难或有风险的境地。

例句:

Sam had a secure job with a high salary, but he dreamed about owning a restaurant. Last year, he went out on a limb and quit his job to open a small restaurant.

萨姆有一份稳定的高薪工作，但他梦想开餐厅。去年，他冒险辞去工作开了一家小餐厅。