add (sth) up
—phrasal verbwithaddverb[IorT]uk/æd/us/æd/
B1
tocalculatethetotalof two or morenumbers
（把…）加起来，求（…的）和
If youaddthose fourfiguresup, it comes to over £1,500.这4个数字加起来总额超过1,500英镑。
Sheaddedthebillup.她合计了一下账单。
I'm not very good ataddingup!我不大擅长加法！
- I get a differentanswereachtimeIaddthesefiguresup.
- She wastryingtoaddup thepricesof all theitemsin herbasket.
- If youbuythreepackets, itaddsup to atotalof $18.
- Cinematickets,drinks,snacks- it alladdsup to a lot amoney.
- Theladywhoworksin thepostofficeis very good ataddingupnumbers.