add up
US /æd ˈʌp/
UK /æd ˈʌp/

1.
说得通, 合乎情理
to make sense; to seem reasonable or logical
:
•
His story just doesn't add up.
他的故事就是说不通。
•
The numbers don't add up, there must be a mistake.
这些数字不对劲,肯定有错误。
说得通, 合乎情理
to make sense; to seem reasonable or logical