overestimate

US /ˌoʊ.vɚˈes.tə.meɪt/
UK /ˌoʊ.vɚˈes.tə.meɪt/
1.

高估

to guess an amount that is too high or a size that is too big:

:
I overestimated and there was a lot of food left over after the party.
1.

高估

a guess that is too high in amount:

:
The shortfall was caused by an overestimate of revenue last year.