wǒ / dì / yī / cì / qù / ào / mǎ / hā / chū / chāi / duì / zhè / zuò / chéng / shì / hái / bú / tài / shú / xī我第一次去奥马哈出差,对这座城市还不太熟悉。It was my first business trip to Omaha, so I was not very familiar with the city yet.