to shake / to flap / to vibrate / to resonate / to rise up with spirit / to rouse oneself
振
=
扌
+
辰
:
James II of England (zh) got a birthday cake (辰) and he wants to find out whether it is made with gelatin or pectin. In the encampment's bathroom ((e)n4) he therefore slaps the cake several times with a toy claw (扌) to make it vibrate, and to determine the gelling agent by the resonance (振) frequency of the cake.