mistake 是可数名词。在句中是单数还是复数,根据意思。The Top 10 Mistakes in Web Design -- 10 大错误,用复数make no mistake -- 别弄错,用单数百度的字典不一定正确。动词:He mistook me for my brother. 他把我错当成我的兄弟。You are mistaken about him. -- 你误会他了,你看错他了。