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).
喉
=
侯
+
口
:
The marquis (侯) gets a mandarin (口) stuck in his throat (喉) in the outhouse (ou2), but fortunately Hamlet (h) quickly performs the Heimlich maneuver on him.