使勁

使 = 亻 + 吏 : Sherlock Holmes, Rosa Luxemburg and the space station's clerk play a simultaneous game of rock paper scissors in the space station, as they have to decide who will be sent as a messenger back to earth to admit that they need another 3 000 000 000 $ funding.

劲 = 又 + 工 + 力 : Joan of Arc (ji) is training with lots of energy (劲) in the encampment's bathroom ((e)n4). Again and again the presses a power button (力) which releases a boxing glove (又) fixed to a steel beam (工) which she has to hit with her fist to punch it back into its original position.