一笔不苟 yībǐbùgǒu meticulous calligraphy Definitions Defs Origin Strokes Stroke Words Sentences Sents 一笔 一筆 yībǐ one stroke a single stroke in writing or painting; a continuous movement of the brush or pen without lifting不苟 bùgǒu conscientious not lax; not casual; careful and serious in one's work or behavior