- 花花肠子 huāhuāchángzi schemes(slang) devious schemes or a cunning plot
- 直肠子 zhíchángzi straight shooter(coll.) a forthright person
- 坏肠子 huàichángzi villainevil person
- 海肠子 hǎichángzi spoon worm(coll.) marine worm resembling intestines such as the spoon worm (echiuroid) or the peanut worm (Sipunculus nudus)