He tells Yang that April is the enemy, and asks if he would ever tell April that Yang killed her parents, her whole clan, and observes that Yang ran away from his old life of killing to kill more.
April is the enemy. This is what he tells Yang. That Yang ran away from his old life of killing to kill more. This is what he asks. Yang killed her parents. Yang observes. He would ever tell April this. Her parents are her whole clan.