Here is the next part of the translation, keeping the tone, names, and style consistent with the cheat sheet:

Jang Suhwa wore a betrayed expression.

"You said you’d let me live…"

"No, I was just asking a question," Cheon responded nonchalantly.

Jang Suhwa’s eyes darted nervously.

It was the same thing people said when they were about to grill someone.
It’s fine, just tell me. I won’t hold a grudge.
Hmm. Really? But why did you do it? Didn’t you know it was wrong?
Come on, I’m just asking. You knew it was wrong, so why’d you …