what does 당신 마음속 mind?
I was reading a forum topic and came across this comment.sorry I meant mean not mind

Question

what does 당신 마음속 mind?
I was reading a forum topic and came across this comment.sorry I meant mean not mind

Answer

당신 마음속 means
Inside of your mind

당신 : you, your
마음 : mind,heart
속 : inside

Answer

Ironically, you almost wrote the answer in the headline :)

Answer

I'm not sure this answer is what you want or not but this sentence would be helpful.

What do you have in your mind?
= What are you thinking? / What do you think? 
= 무슨 생각해?