土鳖

ground beetle / (coll.) professional or entrepreneur who, unlike a 海歸|海归[hai3 gui1], has never studied overseas / (dialect) country bumpkin

Tu (ethnic group) / surname Tu

earth / dust / clay / local / indigenous / crude opium / unsophisticated / one of the eight categories of ancient musical instruments 八音[ba1 yin1]

freshwater soft-shelled turtle

variant of 鱉|鳖[bie1]