When to use psychology in Korean
Korean: 심리[ sim-ri ]

When to use it
Psychology (심리) is the study of the mind, feelings, and behavior. People often use this word when talking about a school subject, books, or how people think and feel. You can also see it in phrases like "consumer psychology" or "child psychology."
Example sentences
저는 학교에서 심리를 공부해요.
I study psychology at school.
오늘 심리 수업이 있어요.
We have psychology class today.
심리 책은 조금 어려워요.
Psychology books are a little difficult.
언니는 아이들의 심리에 관심이 많아요.
My older sister is very interested in children's psychology.
이 광고는 소비자 심리를 이용해요.
This advertisement uses consumer psychology.
친구와 심리 이야기를 자주 해요.
I often talk about psychology with my friend.