C335 public humiliation
The meaning behind Su Zhu's words was that Liu Ruyue had status, she was a Imperial Concubine of the Duke Palaces, and Shen Yan had no name, but she was on the same class as them. Shen Yan was most enraged that someone had mentioned her position! Now that he heard her, a servant, speak of him in front of so many people, she was naturally furious