殸

殳 = 几 + 又 : Sheldon Shrimp (shu-) is practising his martial arts skills in front of the space station (-1). He's a specialist in the combined halberd (symbol for 殳) boxing style, and practises smashing tables (几) with his sucker punch (symbol for 又).

声 = 士 + 尸 + 丨 : Sherlock Holmes (sh) hears the terrifying sound (声) of bone (丨) on stone in front of the engine ((e)ng1), and he's sure that there must be a ghost (尸). Indeed it's only the bachelor (士) who wants to scare Sherlock.