to calculate an amount wrongly误算;(把…)算错
[ + question word ] We had a lot of food left over from the party because I'd miscalculated how much people would eat.聚会剩了大量食物,因为我算错了大家的食量。 to judge a situation badly错误地判断;失算
He miscalculated badly when he underestimated the response of the international community to the invasion.他严重失算,低估了国际社会对这次侵略的反应。