to feel vexed / to bother / to trouble / superfluous and confusing / edgy
烦
=
火
+
页
:
In the anthill's kitchen (an2) Frankenstein's Monster (f) is sick and tired (烦) with doing his tax declaration and sets the whole pile of papers (页) on fire (火).
恼
=
亠
+
凶
+
忄
:
Every time Napoleon (n) gets angry (恼) he puts on a vicious demon mask (凶) and beats a beret (亠) with a flail (忄) inside of the aorta (ao3).