to suffer (from illness) / to contract (a disease) / misfortune / trouble / danger / worry
患
=
串
+
心
:
Helga Horse eats a skewer in the anthill's bathroom, with a terrible outcome: after taking the first bite, she suffers from a heart attack.
儿
=
丿
+
乚
:
Mnemonic symbol: "son" (儿) sounds similar to "Sun" like in "Sun Wu Kong", so it's gonna be represented by the monkey king. Albert Einstein (Ø-) and Sun Wu Kong (儿) are fighting in the space station's kitchen (-Ø2). Their weapons: Albert Einstein has a shovel (乚), and Sun Wu Kong has a banana (丿).