世故
sophisticated; worldly-wise
事故
accident; CL:樁|桩[zhuang1],起[qi3],次[ci4]
师古
following the ways of old; in imitation of ancient style
是故
therefore; so; consequently
石鼓文
early form of Chinese characters inscribed in stone, a precursor of the small seal 小篆[xiao3 zhuan4]
食古不化
to swallow ancient learning without digesting it (idiom); to be pedantic without having a mastery of one's subject