Quicksand in korean? What is the korean word for "quicksand"?

How do i say these? For example : I want to thank my friend for helping me Like thanks a lot buddy U r great,, How koreans say?with close frens

Difference between conference and conventions

Can u explain me this? You have the right to seek alsylym in another country if you are being persecuted in your own country.

Busan dialect

I don't know if it is called called 부산 사투리 or not but it is the way of speaking like in the movie friend(친구) 

do we learn it separate like diff grammars or becoming good in korean can make me know how to speak it

Anyone explain me about free consent. Related to law word. This word is related to law. I Searched in google but couldn't understand it with diff meanings.

Korean dream

sometime when I watch a lot of drama/variety shows in a day

I dream everything in korean language.

Even the news paper will be in korean and people talking in korean, eventhough I dont understand that much

미친거 아니야