Meaning of the word "chance your arm" in English

What does "chance your arm" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

chance your arm

US /tʃæns jʊər ɑːrm/
UK /tʃɑːns jɔːr ɑːm/
"chance your arm" picture

Idiom

to take a risk in the hope of a success

Example:
He decided to chance his arm and ask for a promotion, even though he knew it was a long shot.
It's a big decision, but sometimes you just have to chance your arm.