to open / to start / to turn on / to boil / to write out (a prescription, check, invoice etc) / to operate (a vehicle) / carat (gold) / abbr. for Kelvin, 開爾文|开尔文[Kai1 er3 wen2] / abbr. for 開本|开本[kai1 ben3], book format
开
=
一
+
廾
:
A bottle opener. Karl Marx is sitting in front of the airplane, begging for money. He's playing a flute and has his bottle opener ready for the next beer, but unfortunately, he'll be carried away, his hands cuffed, soon.
快
=
夬
+
忄
:
Karl Koala made the mistake to have asked the crystal ball in the airplane's bathroom about his future. After he has seen his fate he quickly and angrily destroys the crystal ball with a flail.
车
=
七
+
十
:
Charlie Chaplin (ch) is parading in a cabriolet (mnemonic symbol for 车) in front of the elevator (e1), because he wants to establish his new cult. Like all successful leaders, he takes the carrot-and-stick approach: In one hand he's waving with a seven-branched laser sword (七), in the other one he's waving with a cross (十).