There is nothing in his room.

Please stop making unreasonable demands.

He is spending money unreasonably.

I apologize for not contacting you for a long time.

Freedom of expression is one of the fundamental rights of democracy.

He is known as a freedom fighter.

She is enjoying a life of doing as she pleases.

She has a free-spirited personality and doesn't feel constrained in anything she does.

I conducted a research project as a summer vacation homework.

He is living freely.