恐血症

恐 = 巩 + 心 : A terrorist (恐) is harassing Karl Koala (ku) inside of the engine ((e)ng3). The terrorists frightens (恐) Karl so much that his heart (心) jumps out of his body. The terrorist then quickly grabs Karl's heart and uses a padlock (巩) to lock it away to blackmail Karl.

血 = 丶 + 皿 : Mnemonic symbol: blood transfusion.

Xu Xian hurt himself and needs to get a blood transfusion in the elevator's bathroom. He found a petal leaf as donor, which is bleeding droplets into a bowl; Xu Xian gets the blood from the bowl as infusion using some tubes.

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).