[------]

Jyutping caa1 zi1 hou4 lei4 , mau6 ji5 cin1 lei5
Pinyin chā zhī háo lí , miù yǐ qiān lǐ

Definitions (Wiktionary)
  1. proverb
    small discrepancies lead to great errors
    (syn.) 失之千里, 差以毫釐, 差以毫厘

[------]

Jyutping caa1 zi1 hou4 lei4 mau6 ji5 cin1 lei5
Pinyin chā zhī háo lí , miù yǐ qiān lǐ

Definitions (粵典–words.hk)
  1. 語句
    開​始​嘅​時​候​雖​然​相差​少​少​,​到​最尾​就​會​差​好​遠​,​造成​極大​錯誤​。
    the slightest difference leads to a huge error; a miss is as good as a mile
  2. 參看
    差之毫釐,繆以千里、差之毫釐,謬之千里、差之毫釐,繆之千里

[------]

Jyutping caa1 zi1 hou4 lei4 , mau6 ji5 cin1 lei5
Pinyin chā zhī háo lí , miù yǐ qiān lǐ

Definitions (CC-CEDICT)
  1. the slightest difference leads to a huge error (idiom)
  2. a miss is as good as a mile