healthy / to invigorate / to strengthen / to be good at / to be strong in
健
=
亻
+
建
:
Joan of Arc (ji) and Rosa Luxemburg (亻) want to get fit and healthy (健), so together with Blob the Builder (建) they set up a gym in the anthill's bathroom (an4).
硕
=
石
+
页
:
There is a large, huge (硕) rock (石) blocking observatory's bathroom (o4). Sheldon Shrimp (shu) tries to clear it off by wrapping it in a huge (硕) sheet of paper (页) because he heard "paper beats rock". Of course it doesn't work because Sheldon is not a learned person (硕士).