teacherKK [ˋtitʃɚ] /ˈtitʃɚ/名詞1老師、教師My daughter's math teacher explains difficult concepts very clearly.我女兒的數學老師把難懂的概念講得很清楚。2導師、啟發者比喻Failure is often the best teacher we ever have.失敗往往是我們最好的老師。