1. When students cheat, they are less likely to really understand their schoolwork.
    作弊的孩子不太可能真正理解自己的功课。

2. And when you don't understand your schoolwork, your grades will probably suffer; cheating can only get you so far.
    而如果你不理解自己的功课，那么你的分数就会受到影响--作弊给你带来的结果只能如此。