rub off片語動詞KK [rʌb ɔf] /ɹʌb ɔf/發音片語動詞1擦掉、擦去、抹掉可拆開Rub the pencil marks off before you hand in the drawing.交出圖畫之前先把鉛筆的痕跡擦掉。2脫落、磨掉、掉色The gold coating on the ring rubbed off within a few months.戒指上的鍍金幾個月內就磨掉了。3感染、影響、傳染常與 on 連用Her enthusiasm for reading soon rubbed off on the whole class.她對閱讀的熱情很快就感染了全班。