He went to the mountains to prospect for gold.

We are using sawdust charcoal for this barbecue.

He was my former host, a very trustworthy person.

He played the role of a German spy in an old movie.

He was rumored to be an old-time Russian spy.

During the war, there was a strategy to scatter airborne leaflets, called 'Denden', over the enemy country.

He is studying the life of the Tanka people.

There was high praise for his performance.

I can only highly praise his acting skills.

He has a quick temper and gets angry easily.