mistake

英[mɪ'steɪk] 美[mɪ'stek]

1. a wrong action attributable to bad judgment or ignorance or inattention;: "he made a bad mistake"; "she was quick to point out my errors"; "I could understand his English in spite of his grammatical faults"

2. an understanding of something that is not correct;: "he wasn't going to admit his mistake"; "make no mistake about his intentions"; "there must be some misunderstanding--I don't have a sister"