YOU SAID:
I'm so sorry! I missed you so much, big sister!
INTO JAPANESE
たいへんすみません!私はあなたをとても恋しく思いました、お姉さん!
BACK INTO ENGLISH
I'm so sorry! I missed you so much, sister!
INTO JAPANESE
たいへんすみません!私はあなたをとても恋しく思いました、姉妹!
BACK INTO ENGLISH
I'm so sorry! I missed you so much, sister!
You've done this before, haven't you.