The emphasis indicates the crucial part of the sentence. You could put the emphasis in lots of different places, depending on what you want to .... emphasize.
I'm sort of busy right now"
I am busy, but perhaps I know of another person who could help you.
I'm sort of busy right now.
I am a little bit busy, but I might be able to help you if it won't take very long, or you can convince me it is super important.
I'm sort of busy right now.
I am busy. With light stress, this is the default way one might pronounce the sentence.
With heavy stress, it might mean: Although I said I am sort of busy, I am actually very busy.
Maybe even: You are treating me as if I am not busy, but you should be able to tell that I am.
I'm sort of busy right now.
I am busy now, but I might have time to help you later, if you can wait for a little while.
Best Answer
"Out of this world" is a rather out-of-date idiom meaning "very good" or "unusual" (in a positive sense). Like, "Wow, this pizza is out of this world!", meaning it is very good. Do not emphasize any word in the phrase over the others.
I think there is a law in the United States that every science fiction movie must be described as "out of this world" some time during the marketing or promotion for that movie. At least, I hear the phrase used to describe just about every SF movie. Like many witticisms, it was no doubt very funny the first time someone used it that way. By the four hundred and twelfth, it's not.