miscalculate
verb [ I or T ] uk/mɪsˈkæl.kjə.leɪt/ us/mɪsˈkæl.kjə.leɪt/
误算;（把…）算错
to calculate an amount wrongly
[ + 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。
错误地判断；失算
to judge a situation badly
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。