add up片語動詞KK [æd ʌp] /æd ʌp/發音片語動詞1加起來、合計、相加可拆開Add up these numbers and tell me the total.把這些數字加起來,然後告訴我總數。2說得通、合理多用於否定句His account of that evening simply doesn't add up.他對那天晚上的說法根本說不通。3累積、越積越多Small daily expenses really add up over a year.每天的小開銷一年下來會累積成一筆可觀的數目。