add up
US /æd ˈʌp/
UK /æd ˈʌp/

句動詞
1.
つじつまが合う, 納得がいく
to make sense; to seem reasonable or logical
例:
•
His story just doesn't add up.
彼の話は全くつじつまが合わない。
•
The numbers don't add up, there must be a mistake.
数字が合わない、間違いがあるはずだ。
Lingolandでこの単語を学ぶ
つじつまが合う, 納得がいく
to make sense; to seem reasonable or logical