When to use Japanese language in Korean
Korean: 일본어[ il-bon-eo ]

When to use it
Japanese language (일본어) means the language people speak in Japan. You can use it when talking about a school subject, studying, speaking, reading, or writing. In daily life, it is often used in sentences about classes, travel, books, and conversation.
Example sentences
저는 학교에서 일본어를 배워요.
I learn Japanese at school.
언니는 일본어 숙제가 많아요.
My older sister has a lot of Japanese homework.
우리는 집에서 일본어 단어를 외워요.
We memorize Japanese words at home.
친구가 일본어로 인사했어요.
My friend greeted me in Japanese.
서점에서 일본어 책을 샀어요.
I bought a Japanese book at the bookstore.
일본 여행 전에 일본어를 조금 공부해요.
I study a little Japanese before a trip to Japan.