to sting or bite (of mosquito, bee etc) / to say repeatedly / to urge insistently / to ask repeatedly / to stick to a point / (onom.) tinkling or jingling sound
叮
=
丁
+
口
:
In front of the engine ((e)ng1), Dorothy Gale (di) is celebrating the anniversary of the witche's death by repeatedly (叮) stinging (叮) a mandarin (口) with a nail (丁) and singing "叮咚 the witch is dead!"
to be / to act as / manage / withstand / when / during / ought / should / match equally / equal / same / obstruct / just at (a time or place) / on the spot / right / just at
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.