difference; discrepancy / (math.) difference (amount remaining after a subtraction) / (literary) a little; somewhat; slightly
差
=
工
+
羊
:
Charlie Chapling is juggling steel beams in front of the ashram. A sheep is making an error bar graph representing Charlie's number of tries to juggle as long as possible without letting the beams fall down.
forced labor / corvée / obligatory task / military service / to use as servant / to enserf / servant (old) / war / campaign / battle
役
=
彳
+
殳
:
Maud Younger (y) has been forced to manucfacture black sneakers (彳) in the space station's bathroom (Ø4). When she started the forced labor (役) all she got as a tool was a halberd (殳).