What is "are you ok?" in korean? Romanization please.

What is "never mind" or "it's alright" in korean? And romanization please. (:

Is it true that they don't pronounce the "L" when you speak korean?

How to say "are you stupid?" in korean? Romanization too, please? :D

How to say "i want you back" in korean? Romanization, please? (:

What does "twaeji imida" means?

how to say "no" in korean?

what is "liar" in korean?

What does this "쏘리" mean?