emptiness / void / abstract theory or guiding principles / empty or unoccupied / diffident or timid / false / humble or modest / (of health) weak / virtual / in vain
虚
=
业
+
虍
:
Xu Xian (xu) and the bullfrog (业) were preparing for a football game in front of the space station (Ø1) and had already painted eye black stripes (虍) onto each other when suddenly a black hole (虚) appeared and sucked their eye black off again before collapsing.
Karl Koala (ku) caught a lucky leprechaun (亏) for his friend the robot (大) and is allowed to have a wish in front of the ashram (a1). He wishes for enough quarks (夸) to build a quantum computer brain for the robot, which the leprechaun fulfills. As soon as it is done the robot starts to solve complicated mathematical problems, and Karl praises (夸) it.