失之毫釐，差以千里 [ㄕ ㄓ ㄏㄠˊ ㄌㄧˊ , ㄔㄚˋ ㄧˇ ㄑㄧㄢ ㄌㄧˇ; shi1 zhi1 hao2 li2 , cha4 yi3 qian1 li3] a tiny lapse can lead to a huge mistake (idiom); a minor discrepancy leading to enormous losses ◄ ►
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