rack up
US /ræk ʌp/
UK /ræk ʌp/
句動詞
積み上げる, 獲得する, 重ねる
to accumulate or achieve a large amount of something, such as points, profits, or debts
例:
•
The company managed to rack up record profits this year.
その会社は今年、記録的な利益を積み上げた。
•
He racked up a lot of debt during his time at university.
彼は大学時代に多額の借金を重ねた。