YOU SAID:

Once at a time I went to a banana party and it was cool and we ate and we ate until we were scared of bananas the end

INTO JAPANESE

あるとき、バナナパーティーに行ったんだけど、涼しくて食べて、バナナが怖くなるまで食べて、最後まで食べたんだ

BACK INTO ENGLISH

One time I went to a banana party and it was cool and I ate it and I ate it until I was scared of bananas and I ate them till the end.

INTO JAPANESE

ある時、バナナパーティーに行ったら、冷たくて食べて、バナナが怖くなるまで食べて、最後まで食べました。

BACK INTO ENGLISH

One time, I went to a banana party, and I ate it cold, and I ate it until I was scared of bananas, and I ate them until the end.

INTO JAPANESE

あるとき、バナナパーティーに行ったとき、冷やして食べたのですが、バナナが怖くなるまで食べて、最後まで食べました。

BACK INTO ENGLISH

One time, when I went to a banana party, I ate them cold, and I ate them until I was scared of bananas, and I ate them all the way to the end.

INTO JAPANESE

ある時、バナナパーティーに行ったとき、冷やして食べたのですが、バナナが怖くなるまで食べて、最後まで食べました。

BACK INTO ENGLISH

One time, when I went to a banana party, I ate them cold, and I ate them until I was scared of bananas, and I ate them all the way to the end.