- 毫厘不爽 háolíbùshuǎng extremely accuratenot to deviate an iota; without the slightest error; just right
- 毫厘千里 háolíqiānlǐ a small error leads to a huge differenceA tiny mistake at the beginning results in a massive discrepancy in the end.
- 失之毫厘，差之千里 shīzhīháolíchàzhīqiānlǐ a tiny lapse can lead to a huge mistake(idiom) a minor discrepancy leading to enormous losses; for the want of a nail the shoe was lost
- 差之毫厘，谬以千里 chāzhīháolímiùyǐqiānlǐ a tiny error leads to a huge mistakea small error in the beginning can lead to a massive failure or discrepancy in the result; emphasizes that even the slightest detail requires precision; a miss is as good as a mile
- 失之毫厘，差以千里 shīzhīháolíchàyǐqiānlǐ a tiny lapse can lead to a huge mistakea minor discrepancy leading to enormous losses; a small error at the start can result in a wide divergence at the end
- 差之毫厘，失之千里 chāzhīháolíshīzhīqiānlǐ a miss is as good as a milethe slightest initial error or difference will lead to a massive discrepancy in the final result