to harness / to draw (a cart etc) / to drive / to pilot / to sail / to ride / your good self / prefixed word denoting respect (polite 敬辭|敬辞[jing4 ci2])
驾
=
加
+
马
:
Today the unicorn (马) is going to pilot (驾) a plane for the first time. As it gets ready in the ashram's bathroom (a4), Joan of Arc (ji) is cheering waving with her pom poms (加).
驶
=
史
+
马
:
Sherlock Holmes (sh) tells the unicorn (马) that it has to take its history (史) examination in the space station (Ø3) immediately. The unicorn is shocked and gallops (驶) away speedily (驶).
证
=
正
+
讠
:
James II of England (zh) is not allowed to stay any longer in the engine, so in the bathroom ((e)ng4) he forges a visa (证) so he can stay. On an advertising column (讠) he scribbles his fake visa, but (like me) he sucks at drawing, so he is only able to draw a stick figure (正) where his photo should go.