to be jealous of / fear / dread / scruple / to avoid or abstain from / to quit / to give up sth
忌
=
己
+
心
:
Joan of Arc (ji) wants to just give up (忌), so in the space station's bathroom (Ø4) she pulls out her heart (心) using a butcher's hook (己).
惮
=
单
+
忄
:
Santa Clause finds Don Quixote (d) hiding in the anthill's bathroom (an4). Don Quixote sees that Santa brought his huge flail (忄) and Don Quixote fears (惮) that he is on Santa's list (单) of naughty kids.