He succeeded in a difficult project with the spirit of 'ishi no ue ni mo sannen', which means great works are performed by perseverance.

Due to the rain continuing for days on end, our picnic was cancelled.

I have started learning Korean.

He went to see a movie with his Korean friend.

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

This Korean ginseng is said to be good for the body.

My friend goes to a Korean school.

Gojoseon is considered the first state in East Asia.

There is a proverb that says, 'Plan your day in the morning and your year on New Year's Day,' which means that you should plan your day in the morning and your year on New Year's Day.

The Democratic People's Republic of Korea is a country located in East Asia.