to right wrongs; to redress an injustice

wronged; to suffer false accusations

to cry out a grievance

to right a wrong; to redress an injustice

frustrated; agitated; distressed

to appeal for justice; to demand redress for a grievance

to be wronged; to be subjected to an injustice

to complain; to vent one's grievances

The Injustice to Dou E (popular drama by 關漢卿|关汉卿[Guan1 Han4 qing1])

unrighted wrong; unredressed injustice