The spelling of the phrase "no one at all" may seem straightforward, yet its phonetic transcription reveals some interesting details. In IPA, it is transcribed as /noʊ wʌn æt ɔːl/. Notice that the "o" in "no" is pronounced as a diphthong /noʊ/ instead of a monophthong /nɔː/. Also, the vowel sound in "one" is /wʌn/ instead of /oʊn/. Lastly, the pronunciation of "at all" is /æt ɔːl/ with the "a" in "at" sounding like a short /æ/ instead of a long /eɪ/.
The term "no one at all" is an idiomatic expression used to convey a complete absence or lack of individuals. It is a negation of "someone" or "anyone" and emphasizes a situation or condition where not a single person is involved, present, or found. In other words, "no one at all" indicates an absolute emptiness or void in terms of human presence.
This phrase is commonly employed to highlight the extreme nature of an absence or to emphasize the absence of any possible alternative. It serves to reiterate the notion that not even a single person is involved or available. The addition of "at all" denotes that there is absolutely no exception to this lack of individuals, highlighting the notion of complete isolation or solitude.
For example, if someone were to say, "There was no one at all in the deserted town," it denotes that the entire town was devoid of any human presence, emphasizing the sense of abandonment and isolation.
In summary, "no one at all" is a phrase used to emphasize the absence or lack of any person or individuals, underscoring a complete void or emptiness in terms of human presence.