英作文してみましたので、間違いあれば訂正願います。
on second thought を使う簡単で自然な文を覚えたいです。
I would like to keep on this conversation. Wait ,On second thought,
I would like to take next topic.
Wait, on second thought, I would like to move on to the next topic.
ご質問ありがとうございます。
少しだけ訂正する部分がありましたが、"on second thought"の使い方は問題ありません。
☆ "I would like to keep on this conversation"" ➔ "...keep having this conversation."
☆ "I would like to take next topic." ➔ "... move on to the next topic."
ご参考に。
アメリカ合衆国 
