The phrase "took one arms" is not a correct grammatical phrase. However, if we were to analyze the spelling of each word individually, we can use IPA phonetic transcription to explain the sounds within the words. "Took" is pronounced /tʊk/, with a short "u" sound and a hard "k" sound. "One" is pronounced /wʌn/, with a short "o" sound and a silent "e". "Arms" is pronounced /ɑːmz/, with a long "a" sound and a "z" sound at the end.