mistakes是可数的，mistakes是mistake的复数形式。mistake既可以作名词也可作动词，作为名词意思为错误、过失、失策，作为动词时意思为误会、把…误认为。例句：His costly mistake resulted in severe loss。他的严重的错误导致了重大的损失。You've made several grammatical mistakes in the composition。你的作文中犯了几处语法错误。
mistakes简明释义：
mistakes：英[mɪˈsteɪks]；美[mɪˈsteɪks]
n.(言语或行为上的)错误，失误；(用词或数字等上的)错误，口误，笔误
v.误会；误解；看错
mistake的第三人称单数和复数
mistake的用法：
1、表示“错误”，通常为可数名词；表示犯错误，通常用动词make；另外注意与介词常用搭配。如：
You made a mistake about the time.你弄错了时间。
She made a mistake over the bill.她把账算错了。
Don’t make any mistake about me.不要误解我的意思。
用于by mistake,意为“错误地”“弄错地”。如：
The nurse gave me the wrong medicine by mistake.护士给我吃错了药。
I’m sorry,I opened one of your letters by mistake.对不起，我错拆了你的一封信。
2、用作动词，表示“把……误认为是……”，一般用介词for。如：
She mistook a rope for a snake.她把一条绳子误认为蛇。
I had mistaken friendship for love.我误把友情当成了爱情。
mistakes双语例句：
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、There are too many mistakes in this essay.
这篇文章错误太多。
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、It was one of my many mistakes.
这是我犯的许多错误中的一个。
6、That one mistake almost cost him his life.
那一个差错几乎使他丧命。
7、Another mistake like that and you're history.
要是再犯那种错误你就完了。
8、That one mistake seriously endangered the future of the company.
那一个失误就严重地危及了公司的未来。
9、It's a common mistake among learners of English.
这是学英语的人常犯的错误。
10、It's a mistake they almost always make.
这是他们几乎总要犯的错误。
11、Make no mistake,this is one crisis that won't just go away.
要知道，这是一场不会自行消失的危机。
12、This decision is,I feel,a huge mistake.
我认为这个决定是个天大的错误。
13、Leaving school so young was the biggest mistake of my life.
我一生中最大的错误就是那么年轻就离开了学校。
14、You must try to learn from your mistakes.
你得从所犯错误中吸取教训。
15、It's easy to make a mistake.
犯错误很容易。
16、He made one big mistake,and,as a result,lost his job.
他犯了个大错，结果丢了工作。
17、I made the mistake of giving him my address.
我真不该把我的地址给他。
18、It has now become evident to us that a mistake has been made.
我们已经清楚出了差错。
19、You made too many mistakes.
你犯的错误太多了。
20、When I'm tired,I tend to make mistakes.
我累了就容易出错。
