泥古不化

conservative and unable to adapt (idiom)

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

variant of 花[hua1]

to make into / to change into / -ization / to ... -ize / to transform / abbr. for 化學|化学[hua4 xue2]

surname Gu

ancient / old / paleo-

mud / clay / paste / pulp

restrained

stick-in-the-mud / to stick to old ways / stubbornly conservative