sound / voice / tone / noise / reputation / classifier for sounds
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.
呐
=
口
+
内
:
Napoleon (n) has a terrible stomach ache. Using a CT scanner (内) in the ashram's bathroom (a4) he finds the reason: a mandarin (口) is dislodged in his intestines. With a loud battle cry (呐) he pulls the mandarin out with his bare hands.