失之毫厘，差之千里

shi1 zhi1 hao2 li2 , cha4 zhi1 qian1 li3

a tiny lapse can lead to a huge mistake (idiom); a minor discrepancy leading to enormous losses

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失之毫釐，差之千里|失之毫厘，差之千里 [shī zhī háo lí , chà zhī qiān lǐ] ► a tiny lapse can lead to a huge mistake (idiom); a minor discrepancy leading to enormous losses