Fig.: to take a considerable and deliberate risk that might lead to trouble in order to get something done. To put oneself in a risky and difficult position.

Don't go out on a limb for someone who could double-cross you any moment

Non prenderti rischi per qualcuno che potrebbe tradirti in un qualsiasi momento

I've already gone out on a limb for you quite a few times, even risking my job by making up fake excuses to cover your absences from work. Now, I'm sorry, but there's nothing more I can do for you. It's all up to you!

Mi sono già esposto moltissimo per te, rischiando persino il mio posto di lavoro quando ho giustificato le tue assenze sul lavoro con fale scuse. Ora, mi dispiace, ma non c'è altro che io possa fare per te. Dipende tutto solo da te!

"Today is the 25th of June and, as chief meteorologist, I predict no more snow in Italy for the season" "Don't go out on a limb!!!"

"È il 25 giugno e in qualità di capo meteorologo non prevedo più neve in Italia per il resto della stagione" "Vedi di non mettere a repentaglio la tua credibilità!!!"

This American saying dates back to the late 1800s and it probably referred to a hunted animal that climbed a tree and found itself stuck on a weak branch, far from the main trunk, a branch that could easily break.