虑
=
虍
+
心
:
As Loki (lü) is a hypochondriac (虑) he always filters (滤) bottled water (氵) multiple time in the space station's bathroom (Ø4) before he drinks it.
illness / CL:場|场[chang2] / disease / to fall ill / defect
病
=
丙
+
疒
:
In engine's bathroom Brunhilde is proudly inspecting her bronze medal. She got it in a contest about having the craziest sickness by painting a colorful rash on her face.
症
=
正
+
疒
:
The stick figure (正) is visiting James II of England (zh) in the engine's bathroom ((e)ng4) to have him investigate his colorful rash (疒). Unfortunately James II of England has to tell him that he has cancer (症).