There was something I couldn't understand (well) in our last lesson. Could you spell it out (for me)?
There's something that I couldn't understand (well) in the last lesson. Could you explain it in more detail?
There's something I didn't understand (well) in our last lesson. Could you teach me in more detail?
「昨日のﾚｯｽﾝで分からない箇所がありましたので教えてください」は
There was something I couldn't understand (well) in our last lesson. Could you spell it out (for me)?
などといいます。
spell ~ out は「はっきり、詳細に説明する」という意味ですので、
この部分は
teach me in more detail.
explain it in more detail.
としても同じですね。
言いやすい方を覚えると良いですよ。
There was something I didn't understand in yesterday's lesson; could you help me with it?
"didn't understand"は学習者が理解できなかった事柄を示し、"could you help me with it"は相手に協力を求める礼儀正しい表現です。
- "I had some trouble understanding a part of yesterday's lesson. Could you explain it again?"
- "I'm a bit confused about something we covered yesterday. Can we go over it once more?"
関連単語:
- clarify (はっきりさせる、明らかにする)
- explain (説明する)
- part (部分)
- confused (混乱している、わかっていない)
ぜひ参考にしてください。
日本 
アメリカ合衆国 
