add up

Từ điển Oxford Advanced Learner 8th

▪ I. ˌadd ˈup derived
(informal)
1. (especially in negative sentences)to seem reasonable; to make sense
•His story just doesn't add up.
2. (not used in the progressive tenses)to increase by small amounts until there is a large total
•When you're feeding a family of six the bills soon add up.
Main entry: ↑add_derived
 
▪ II. ˌadd ˈup | ˌadd sthˈup derived
to calculate the total of two or more numbers or amounts
•The waiter can't add up.
•Add up all the money I owe you.
Main entry: ↑add_derived