The Chinese word 奥斯汀 is formed through phonetic transliteration, where characters are selected to mimic the sounds of the English name "Austin". The character 奥 (ào) approximates the "Au" or "Os" sound, 斯 (sī) captures the "s" sound, and 汀 (tīng) represents the "tin" sound. These characters are chosen solely for their phonetic similarity, with their original meanings being irrelevant to this usage.