I went to see a movie by myself.

Watching a movie alone is enjoyable.

He thoroughly researched the history of that nation.

He is a famous composer.

He is a famous lyricist who has produced many hit songs.

He is a very excellent performer.

He dreams of becoming a famous cartoonist.

He is a world-famous judoka.

He is a specialist in that field.

I think he is a competent politician.