Sanqi's strategy was to undermine Sang Shixi's confidence with words. I don't think he had good intentions by not fighting back; he simply looked down on him.
To be honest, I'm not sure why Sang Shixi felt the need to fight, but the fact is that he threw punch after punch. Sanqi accurately caught the second punch.
Get more PearlsTop Up
Go to Joyread app
Then you can read more chapters. And you'll find other wonderful stories on Joyread.