1. I need you to reexplain the instructions to me because I didn't understand the first time.
我需要你重新解释给我听,因为我第一次没听懂。
2. Can you please reexplain the concept to the class, some students are still confused.
你能再向班里解释一下这个概念吗?有些学生还是很困惑。
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