YOU SAID:

When I went to the party with my slug brother I ate several pieces of bananas and I got very sick after because I ate a few peanuts beforehand

INTO JAPANESE

ナメクジの兄弟とパーティーに行ったとき、バナナを数本食べたら、事前にピーナッツをいくつか食べていたので、後でとても気分が悪くなった

BACK INTO ENGLISH

When I went to a party with my slug brother, I ate a few bananas and felt really sick afterwards because I had eaten some peanuts beforehand.

INTO JAPANESE

ナメクジの兄弟とパーティーに行ったとき、バナナを数本食べましたが、事前にピーナッツを食べていたため、その後とても気分が悪くなりました。

BACK INTO ENGLISH

When I went to a party with my slug brother, I ate a few bananas, but I felt really sick afterwards because I had eaten peanuts beforehand.

INTO JAPANESE

ナメクジの兄弟とパーティーに行ったとき、バナナを数本食べましたが、事前にピーナッツを食べていたため、後でとても気分が悪くなりました。

BACK INTO ENGLISH

When I went to a party with my slug brother, I ate a few bananas, but I felt really sick afterwards because I had eaten peanuts beforehand.