mistake除在 by mistake 和 through mistake 两处用作不可数名词外，均用做可数名词。
以下内容来自21世纪英汉词典
mistake mis.take[m?`st?k; miˋst?ik]《源自古北欧语“误取”的意思》
可数名词
1 错,错误; 误会,误解(→ error同义字)grammatical ~s文法上的错误There is no ~ about it.绝对不会错It's a ~ to think that you can get away with it.如果以为你能免受惩罚,那就错了I made a ~ about the time.我弄错了时间
2‘法律’错误,过失
and no mistake(口语) [加强前述之语句] 确实,没错
You are fool, and no ~ !.你真是个傻瓜 [你是个傻瓜,没有错] !
beyond mistake确实,的确,没错by mistake由于错误,误…,错…I have taken someone's umbrella by ~.我错拿了某人的雨伞
in mistake for?误以为…,错当做…I took his umbrella in ~ for mine.我误以为是我的而拿了他的雨伞
make no mistake绝对没有错,丝毫不可怀疑Make no ~, it's got to be done. (口语)确确实实; 这件事必须做
及物动词(mis.took[m s`tk; mi'stuk]; mistak.en[-`stek~n; -'steik~n])
1 a. 弄错,误解,想错,将…解释错She has mistaken me [my meaning].她误解了我的话 [意思]
b. 弄错,误解,想错,将…解释错There can be no mistaking what he meant by it.他那句话的意思很明白 (不会让人误解)
2 a. 看错
b. 将…误认[为…],把…错看 [错当] [做…][for]I mistook the stick for a snake.我把那根棒子错看成蛇了
不及物动词误解,弄错