YOU SAID:

Sarah had not eaten anything since the party, but they convinced her to join them.

INTO JAPANESE

サラはパーティー以来何も食べていませんでしたが、彼女たちは彼らに参加するように納得しました。

BACK INTO ENGLISH

Sarah did not eat anything since the party, but they agreed to join them.

INTO JAPANESE

サラはパーティー以来何も食べなかったが、彼らは彼らに加わることに同意した。

BACK INTO ENGLISH

Sarah did not eat anything since the party, but they agreed to join them.