YOU SAID:

I don't know what I'd do if it weren't for you to come in and save the day

INTO JAPANESE

あなたが来て窮地を救ってくれなかったら、私はどうするか分からない

BACK INTO ENGLISH

I don't know what I would do if you didn't come and save me.

INTO JAPANESE

あなたが助けに来てくれなかったら、私はどうするかわかりません。

BACK INTO ENGLISH

I don't know what I would do if you didn't come to my rescue.

INTO JAPANESE

あなたが助けに来てくれなかったら、私はどうするか分かりません。

BACK INTO ENGLISH

I don't know what I would do if you didn't come to my rescue.