一筆不苟 yī bǐ bù gǒu

DEFINITIONS

  1. lit. not even one stroke is negligent (idiom)
  2. fig. to write characters (calligraphy) in which every stroke is placed perfectly

CHARACTERS

一 yī
HSK 1
one; a, an; alone
筆 bǐ writing brush; write; stroke
不 bù
HSK 1
no, not; un-; negative prefix
苟 gǒu
HSK 6
careless, frivolous; illicit; grammatical particle: if, but, if only; surname; grass name; distinguish DKW 30853 (ji4)