Pronunciation: [fˈɛl ɪn tuː] (IPA) 
The correct spelling of the phrase "fell in to" is actually "fell into". This is because "into" is one word, not two. The IPA phonetic transcription for "fell into" would be /fɛl ˈɪntu/ with the stress on the second syllable of "into". It is important to note the correct spelling and pronunciation of words to convey a clear and professional message in both written and spoken communication.
"Fell in to" is an idiomatic phrasal verb that can have different meanings depending on the context.
One possible definition is:
"Fell in to" means to accidentally become involved in something or to come across a situation unexpectedly without intending to do so. It implies stumbling upon or encountering something by chance. This phrase often suggests a lack of prior planning or forethought, as well as a lack of control or intention. It can be used to describe situations where a person is caught off guard or finds themselves in an unexpected circumstance.
For example, if someone says, "I fell in to a job opportunity," it means that they unexpectedly found or were offered a job without actively seeking it. Similarly, if someone says, "I fell in to a conversation," it indicates that they started talking or engaging in a discussion without intending to do so.
"Fell in to" can also be used more metaphorically to describe situations where someone finds themselves developing a passion or interest in something by chance. For instance, if someone says, "I fell in to photography," they mean that they discovered an interest in photography without initially planning to pursue it.
Overall, "fell in to" conveys the sense of stumbling into something unplanned, accidental, or unexpected.
