"A small tool used to crack open walnuts," Lin Ziyin replied frankly. After all, they're just tools. There's no use hiding it from him.
"You are not focusing on what's important," Si Jinhan remarked disdainfully. "If you have time for such trivial matters, why not put more thought into inventing useful weaponry for the Prince? That way, you'd justify his and grandfather's protection of you."
"I'm just a village girl, creating weapons is beyond my expertise. You must have confused me with someone else," Lin Ziyin responded dismissively.
Should she introduce firearms? No, of course not.
The destructive potential of firearms – as a modern woman, she was well aware of it. She didn't want to introduce such devastating methods of death to these innocent villagers due to her involvement.
Therefore, she remained reticent. Whenever Si Jinhan dropped hints, she played dumb and used feigned ignorance to dodge his questions.