add-up

v.

develop into

同义词：comeadd upamount

determine the sum of

同义词：totaltottot upsumsum upsummatetote upaddadd togethertallyadd up

add up in number or quantity

同义词：totalnumberadd upcomeamount

be reasonable or logical or comprehensible

同义词：make senseadd up

1. The numbers don't add up; there must be a mistake in the calculation.
   数字对不上，一定是计算出错了。
2. Her explanation didn't add up, so I was suspicious.
   她的解释不合理，所以我产生了怀疑。