To say "I am so jealous!" in French, you could say Je suis assez jaloux!
Sublime in French is "sublime." It is an adjective used to describe something of outstanding beauty or excellence.
It is a French noun, so it is the same, "turquoise".
Egality in french is "égalité" Not so different :)
There is no "won't" in french, so you say the opposite of I will. Je ne vais pas.
Christopher in French is pronounced as "Kris-to-fair."
"Believe" in French is "croire."
"So far" in French is translated as "jusqu'à présent" or "jusqu'ici".
In French, Greg is spelled and pronounced the same way as in English. So, you would simply say "Greg" in French.
It's not a French name so it stays the same.
There is no such English word as "gitare" so we can not translate it into French for you.
In French, you can say "Tu es tellement agaçant(e)" to mean "You are so annoying."