If you describe an action, system, or law as unjust, you think that it treats a person or group badly in a way that they do not deserve.
例句
The attack on Charles was deeply unjust...对查尔斯的攻击甚为不公。He spent 25 years campaigning against racist and unjust immigration laws.他用了25年的时间与带有种族歧视色彩和没有公正可言的移民法作斗争。