C106 Do they get arrested?

Mrs. Kun asked, " what's about the news that you all girls are sitting and watching it so attentively instead of gossiping, unlike another day."

Lily, Ava, and Anna together shrugged their shoulder.

Mrs. Kun came and sat with them and said " what do you mean by shrugging your shoulder? "

And their ava said "actually we also don't know why are sitting here