一笔不苟

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

one / single / a (article) / as soon as / entire; whole; all; throughout / "one" radical in Chinese characters (Kangxi radical 1) / also pr. [yao1] for greater clarity when spelling out numbers digit by digit

pen / pencil / writing brush / to write or compose / the strokes of Chinese characters / classifier for sums of money, deals / CL:支[zhi1],枝[zhi1]

no; not so / (bound form) not; un-

not lax / not casual / careful / conscientious

surname Gou

if / supposing / careless / negligent / temporarily