振振有辞

to speak forcefully and with justice (idiom); to argue with the courage of one's convictions / also written 振振有詞|振振有词

to have; there is / (bound form) having; with; -ful; -ed; -al (as in 有意[you3 yi4] intentional)

old variant of 辭|辞[ci2]

to resign / to dismiss / to decline / to take leave / ballad (archaic poetic genre) / variant of 詞|词[ci2]

to shake / to flap / to vibrate / to resonate / to rise up with spirit / to rouse oneself