What does 그런 거 and 일이라 mean and do in a sentence? Help please. :(
I just want to ask what 그런 거 and 일이라 actually mean or do in a sentence.
It came from a song "It's Me" of Sunny and Luna. Here's the whole sentence from the song: "내겐 기적 같은 일이라 그런 거야."
Can someone explain clearly what's the purposes of these two words and also in what kind of situation or what kind of attitude/tone would you use these words?
I asked someone and she said 그런 거 is kinda hard to translate literally in English but it can be interpreted as "it is because"? But I'm still confused. :-S T.T

Question

What does 그런 거 and 일이라 mean and do in a sentence? Help please. :(
I just want to ask what 그런 거 and 일이라 actually mean or do in a sentence.
It came from a song "It's Me" of Sunny and Luna. Here's the whole sentence from the song: "내겐 기적 같은 일이라 그런 거야." 
Can someone explain clearly what's the purposes of these two words and also in what kind of situation or what kind of attitude/tone would you use these words?
I asked someone and she said 그런 거 is kinda hard to translate literally in English but it can be interpreted as "it is because"? But I'm still confused. :-S  T.T

Answer

I don't know whole lyrics so I can't explain the sentence exactly.
But I guess, the sentence means "Because it is like miracle to me, I did such a thing."
~이라, ~이라서 means  because.
그런 거야, 그렇게 했다 means I did such a thing.
If you let me know the whole lyrics, I'll let you know exactly.

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