"Not necessary for now, Mr. Achilles."
The sincerity from the brother-in-law has always been sufficient, Cheng Daqi's awareness is refreshed every time by Achilles's generosity, he truly is willing to spend money and resources to win him over.
How should I put it, this gives Cheng Daqi an illusion of being Niusen — once upon a time, this is how Cheng Daqi treated Niusen.
He's afraid.
Back then, Lisa and Temir, including Gru, didn't understand why Cheng Daqi was so generous.
Now they understood, Cheng Daqi wasn't generous, but rather willing to set up a trap.
"So, you're doing all this just to get the private prison project up and running?"
Achilles, who failed to set up the trap, wasn't discouraged; he really wanted to know the reason for Cheng Daqi's grand plans.
"Similar to what you did with Mi'er and me before, Mr. Achilles, the private prison project is merely a means, not an end.