Pronunciation: [ˈa͡ʊt lˈɪm] (IPA) 
"Out limb" is not a commonly used phrase in English. However, it can be broken down into its individual words: "out" and "limb". "Out" is pronounced /aʊt/ which is a diphthong made up of the vowel sounds /a/ and /ʊ/. "Limb" is pronounced /lɪm/, with a short "i" sound followed by the "m" consonant. Together, "out limb" would be pronounced /aʊt lɪm/ with a stress on the first syllable of "limb".
"Out on a limb" is an idiomatic expression often used in English language to describe a situation where someone is alone or taking a risk that is beyond the norm or against popular opinion. The phrase originates from the visual imagery of a person climbing a tree and finding themselves too far away from the safety of the trunk, thus being left vulnerable and unsupported. This expression is figuratively used to depict someone who is isolated or in a precarious position, both physically and metaphorically.
When someone is "out on a limb," it implies that they have taken a stance or made a decision that others may not agree with or support. This person is typically seen as being exposed to potential criticism, failure, isolation, or ridicule. They may be taking a risk despite the lack of popular consensus or contrary to the established practices or beliefs of a particular group.
Being "out on a limb" suggests a willingness to stand up for one's convictions or take a chance, regardless of potential negative consequences. It can imply a sense of courage or assertiveness in going against the grain or challenging societal norms or expectations. However, it also conveys an element of vulnerability and the potential for being left unsupported or in a difficult situation if one's actions do not yield the desired outcome.
In summary, "out on a limb" is an expression used to describe a person who stands alone or takes a risk that sets them apart from others, both physically and metaphorically, suggesting a combination of courage, isolation, and vulnerability.
