mis·count /ˌmɪsˈkaʊnt/ verb [intransitiveI, transitiveT] COUNT/CALCULATEto count wrongly 算错，数错 Sorry, I miscounted – we need ten copies, not nine. 对不起，我数错了——我们需要十份复印件，不是九份。
The votes were deliberately miscounted. 选票被故意数错了。
miscount• I thought everyone was here, but I must have miscounted.• They claim some ballots were miscounted.• Census Bureau officials announced that they miscounted the nation's official population by 5 million people.
From Longman Business Dictionary
miscountmis·count /ˌmɪsˈkaʊnt/ verb [transitiveT] to count something wronglyallegations that the vote was deliberately miscounted