失之毫釐,謬以千里

shīzhīháolímiùyǐqiānlǐ ㄕ ㄓ ㄏㄠˊ ㄌㄧˊ ㄇㄧㄡˋ ㄧˇ ㄑㄧㄢ ㄌㄧˇ

    • a miss by a hair's breadth leads to an error of a thousand miles a small mistake can lead to a huge discrepancy

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