He hammered the nail with a hammer.

The history of the Korean Peninsula is very long, and many cultures were born.

I bought new gaiters for mountain climbing.

He is good at playing the chromatic scale on the piano.

The Japanese grosbeak is one of the beautiful birds in Japan.

The tiger beetle is a fast-running insect.

The capacity of this bottle is one koku.

His success is the result of his personal efforts.

He became a full-fledged chef.

He threw a handful of sand into the sea.