Like There's No One Watching (傍若無人, Bōjakubujin?, localized as "Insolent"GO) is a Skill describing the creator of the idiom that is still used today.[1]
When Jing Ke drank with her friend Gao JianliWP, she'd get wasted, become violent, start to bawl, and become indignant. That sorry state was lamented as if they were acting as if "there was no one around."[1]