Chinese Department: My lady, let's turn off the light, take off our clothes, and get some rest.
Mathematics Department: Don't turn off the light, otherwise I won't be able to find your three-point coordinates.
Chemistry Department: I'll insert my pipette into your test tube and see if we can form new compounds.
Physics Department: According to the law of energy conservation, our total power tonight is zero.
Foreign Languages Department: Come on baby! Let's go to bed!
History Department: As far as I know, ancient people invented the bed for this day.
Physical Education Department: I'll do 100 push-ups on top of you, then a side flip, and finally a backflip with bent body.
Economics Department: Darling, here's my salary for this month.
Geography Department: I checked with the compass, we should head west. The auspicious time (Zi period) has arrived, we can enter. You hold the flashlight and see what's inside the cave.
Computer Science Department: Darling, let me plug my memory stick into your machine, refresh it, and see how fast it runs.