Using the private railway makes commuting very convenient.

He was always envious of others' success, saying that the grass is always greener on the other side.

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.