on fire片語KK [ɑn ˋfaɪɚ] /ɑn ˈfaɪɚ/發音片語1著火、燃燒、起火The whole warehouse was on fire by the time firefighters arrived.消防員趕到時,整座倉庫都已著火。2表現出色、勢不可擋、手感火熱口語She was on fire in the second half, scoring three goals.她下半場表現神勇,連進三球。3熱情高漲、激動不已The crowd was on fire after the band's opening song.樂團唱完開場曲後,全場觀眾情緒高漲。4灼熱、火辣辣My legs were on fire after climbing all those stairs.爬完那些樓梯後,我的雙腿又酸又燙。