to put forth one's eloquence―exert one's oratorical powers―speechify―declaim―harangue―rant―spout―hold forth―make oneself heard
a hydrant
the cock of a water supply
a check valve that limits flow to one direction
排気口.
弁を弄す
to make words―make many words―(about anything)
弁を弄す
佞弁を弄す