shīzhīㄏㄠˊháoㄌㄧˊㄔㄚchāzhīㄑㄧㄢqiānㄌㄧˇ

  1. 小的長度單位差距雖然細微導致錯誤大戴禮記·保傅》:萬物失之毫釐,差之千里君子慎始。」·〉:不相不相所以失之毫釐,差之千里。」毫釐謬以千里」、失之毫釐,差以千里」。

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