Pronunciation: [juː wʊd nˌɒt bɪlˈiːv] (IPA) 
Correct spelling for the English word "you would not believe" is [juː wʊd nˌɒt bɪlˈiːv], [juː wʊd nˌɒt bɪlˈiːv], [j_uː w_ʊ_d n_ˌɒ_t b_ɪ_l_ˈiː_v] (IPA phonetic alphabet).
"You would not believe" is a colloquial expression often used in conversational English. This phrase functions as an emphatic exclamation to communicate disbelief or astonishment about something. It suggests that the speaker is about to share a surprising or extraordinary piece of information that they anticipate the listener will find incredible or difficult to accept.
The phrase is often used as a preface to a personal anecdote or a recounting of a remarkable event. By employing this phrase, the speaker emphasizes that the following content is so extraordinary that it may challenge the listener's ability to trust or accept its validity.
"You would not believe" implies that the information to be provided is beyond what might be considered plausible or expected. It highlights the speaker's anticipation of the listener's surprise, skepticism, or shock. The phrase is commonly used when recounting experiences that involve unlikely circumstances, incredible encounters, or unanticipated outcomes.
Overall, "you would not believe" serves as a rhetorical device to intensify the impact of a statement or story, capturing the listener's attention and encouraging curiosity. It implies that the forthcoming information is so astonishingly unique or unbelievable that it may require a suspension of disbelief on the listener's part.
