mistake是可数名词，其复数形式为mistakes，例如a mistake一个错误、a lot of mistakes许多错误等。mistake既可作名词，也可作动词；当其为名词时，其意思为错误、失误、口误、笔误，例如make a mistake犯错误、a terrible mistake严重错误等；当其作动词时，其意思是误会、误解、看错等。

相关例句：1、Read through your work and correct any mistakes that you find.

从头至尾看一遍你们的作业，发现的错误都要改正过来。

2、I still hold that the government's economic policies are mistaken.

我仍然认为***的经济政策是错误的。

3、In a way it was one of our biggest mistakes.

从某种意义上来说，这是我们所犯的最大错误之一。

4、That one mistake has cost him dear over the years.

那一个差错使他多年来付出了沉重的代价。

5、Don't mistake him,if he says he'll help you,he'll do so.

不要误解他；如果他说他将帮助你，那他会这样做的。