The phrase "art the offing" is not a commonly used one, but it can be spelled out phonetically as /ɑrt ði ˈɔfɪŋ/. The word "art" is pronounced with an open back unrounded vowel sound, while "the" is pronounced with a voiced dental fricative at the beginning. "Offing" is pronounced with a schwa sound followed by a voiceless labiodental fricative and a velar nasal consonant. Overall, the phonetic transcription helps to explain the unusual spelling of this phrase.