mistake是可數名詞
1.I found a mistake in that sentence.
我發現那個句子有壹個錯誤。
2.You've made several grammatical mistakes in the composition.
妳的.作文中犯了幾處語法錯誤。
3.They made the big mistake of thinking they could seize its border with a relatively small force.
他們大錯特錯，居然認為以較少的兵力就能夠奪取其邊境地區。
mistake基本含義
n.(言語或行為上的) 錯誤，失誤;(用詞或數字等上的) 錯誤，口誤，筆誤;
v.誤會;誤解;看錯;
第三人稱單數：mistakes
復數：mistakes
現在分詞：mistaking
過去式：mistook
過去分詞：mistaken