Gu Youyou tried hard to talk her way out of it, but Zhang Chi caught on to her tricks.
Indeed, the current mishap must have been caused by Gu Youyou.
"Second, you're something else! We agreed to stay out of trouble, and here you are stirring up such a big mess? Unbelievable."
Zhang felt as if he should never sleep again, for all the previous times he slept, nothing went wrong.
As soon as he fully relaxed, Gu Youyou found a way to get him into trouble.
She must have felt guilty, knowing she'd caused major chaos, hence the seemingly strong arguments she was making, which gave her away in the first sentence.
"Alright, you just have to admit you're not the boss, and that's enough. Even though the trouble this time is quite big, it should not involve us, the Treasure Talisman Sect should be the one worrying.