bitter / hardship / pain / to suffer / to bring suffering to / painstakingly
苦
=
艹
+
古
:
Karl Koala decided to repent for his sins and retreated into a cloister inside the space station. There he leads a very simple life full of hardship, e.g. he gave up on eucalyptus and just eats very bitter artificial lawn.
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.