blood / colloquial pr. [xie3] / CL:滴[di1],片[pian4]
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.