庆
=
大
+
广
:
The Queen of Hearts (qi) and the robot (大) are celebrating (庆) parachute day by parachuting (广) off the stones in the engine's bathroom ((e)ng4).
Sherlock Holmes (sh) started a supermarket (市) in the space station's bathroom (Ø4), but all he has for sale right now are berets (亠) and towels (巾). He should have opened it at the beach!