Helga Horse (hu) is reading the little red book (红) in the engine's kitchen ((e)ng2), when she discovers that it is being eaten by a silk worm (纟). She overreacts a little and wants to beat the silk worm with a steel beam (工).
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In the aorta Joan of Arc wanted to play a prank on the moon and kick him in the ass while he's inattentive for a second, but when she kicked him she just hurt her foot, and the moon didn't even notice. Silently, she retreats for now, limping on her hurt foot.