- 毫发不爽 háofàbùshuǎng to be perfectly accuratenot to deviate a hair's breadth; extremely accurate without the slightest error
- 不差毫发 bùchāháofà without the slightest error(idiom) to not differ by even a hair; perfectly accurate; without the slightest error
- 毫发无损 háofàwúsǔn unharmednot damaged or injured in the slightest degree