He is a person with a strong heart.

He is a very strong person.

He approached the negotiation with confidence.

There are still many challenges left to put this technology into practical use.

This technology has not yet been made practical or useful.

This app has high practical use.

This store sells various daily or domestic articles.

His strength comes from his mental power.

Goshi is my best friend.

Atsuyoshi is my best friend.