a stick goes through the middle of something

This is a dead mouse with the rib cage showing. It is wearing "shǔ"s.

a liter is a thousand mL, picture a liter bottle full of needles

a picture of somebody dancing as an eyeball with an antenna on her head

alternatively: 自 + 才 nose + genius, An aromachologist is somebody who is a nose genius.

greedy man: one mouth eats the whole field; derived from 富 fù wealthy