左穿右穴 了了分明 / zuǒ chuān yòu xué liǎo liǎo fēn míng /
To Know Something Inside and Out;
Thorough understanding.
Category:
One Stroke Calligraphy_Phrases 一筆字：佛教成語
References:
星雲大師全集【書法類】佛教成語 The Complete Works of Venerable Master Hsing Yun: Calligraphy-Phrases
