何事もなかったかのように
Meanings
1
as if nothing had happened
Describes a person's demeanor or a situation where someone acts or things appear as though a preceding event (often negative) never occurred. Commonly used with verbs like 振る舞う, 言う, or 続ける.
He acted as if nothing had happened.
At the meeting, everyone discussed things as usual, as if nothing had happened.