1. 受到不公平待遇：as hard as the nether mill stone 铁石心肠; 冷酷无情 | be hard done by 受到不公平待遇 | be hard hit 受到严重打击(经济上损失或失去亲人等)

2. 受到不公平的待遇 被苛待：be happy together || (夫妇)和睦相处 | be hard done by || 受到不公平的待遇 被苛待 | be hard hit || (常指感情)受到沉重打击, 很伤心