How to wish Happy Birthday in Korean?
I am wondering how to properly wish Happy Birthday to someone in Korean?

And also, if my friend's parent has a birthday how should I wish her parent a habby birthday??

Question

How to wish Happy Birthday in Korean?
I am wondering how to properly wish Happy Birthday to someone in Korean?

And also, if my friend's parent has a birthday how should I wish her parent a habby birthday??

Answer

If you wish Happy Birthday to freinds, '생일 축하해' is proper expression. However, to older people, '생신 축하드립니다' is more proper.