YOU SAID:

This is my grandson. He's been your rival since you were a baby...Erm, what is his name again?

INTO JAPANESE

これは私の孫です。あなたが赤ん坊だったので、彼はあなたのライバルをされている.Erm は、彼の名前は何ですか。

BACK INTO ENGLISH

This is my grandson. Since you were a baby, he is your competitor. ERM, what is his name?

INTO JAPANESE

これは私の孫です。赤ちゃんの頃に、彼はあなたのライバルです。ERM は、彼の名前は何ですか。

BACK INTO ENGLISH

This is my grandson. When I was a baby, he is your competitor. ERM, what is his name?

INTO JAPANESE

これは私の孫です。赤ちゃんの頃、彼はあなたのライバルです。ERM は、彼の名前は何ですか。

BACK INTO ENGLISH

This is my grandson. When I was a baby he's your rival. ERM, what is his name?

INTO JAPANESE

これは私の孫です。私が赤ん坊だったとき、彼はあなたのライバルです。ERM は、彼の名前は何ですか。

BACK INTO ENGLISH

This is my grandson. When I was a baby he's your rival. ERM, what is his name?