add up
US /æd ˈʌp/
UK /æd ˈʌp/

1.
說得通, 合乎情理
to make sense; to seem reasonable or logical
:
•
His story just doesn't add up.
他的故事就是說不通。
•
The numbers don't add up, there must be a mistake.
這些數字不對勁,肯定有錯誤。
說得通, 合乎情理
to make sense; to seem reasonable or logical