shīzhīㄏㄠˊháoㄌㄧˊㄔㄚchāˇㄑㄧㄢqiānㄌㄧˇ

  1. 差距雖然細微導致錯誤陳書··》:安危禍福天時由人失之毫釐,差以千里是以明智大節不失浮辭?」毫釐千里」、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