喘
=
口
+
耑
:
Chantal Chicken (chu) is tacking part in a fun race inside of the anthill (an3). She has to carry a huge mandarin (口) on her back while running the race, and already at the start line (耑) she is huffing and puffing (喘) like a cow.
吁
=
于
+
口
:
Yu the Great (yu) wants to stick a mandarin (口) into a honey jar (于) and eat it, but in the space station's bathroom (Ø4) the mandarin is appealing (吁) to her to not do it.