free / unimpeded / smooth / at ease / free from worry / fluent
畅
=
𠃓
+
申
:
Charlie Chaplin (ch) bought a pair of Icarus' wings (𠃓) because he wants to move as freely (畅) as possible, but he doesn't quite get how to use them. In the anglepod's bathroom (ang4) he has been studying the manual (申) for a long time.