爬到树枝上说话，风险还蛮大 go out on a limb

go out on a limb

意思：

to put yourself in a risky situation in order to help someone.

to take a wild guess or give an opinion most people won't agree with

例句：

the woman went out on a limb and criticized her own company's president.

I'm going to go out on a limb and say that you're not from around here.