2--Here is one that comes from baseball: Keep your eye on the ball.
 
1--Let's learn how to use this expression when not talking about sports.
 
2--Hey, Jonathan! How is your Arabic class going?
 
1--It's going okay. I'm not studying as much as I should be.
 
2--Jonathan, you had better keep your eye on the ball if you want to win that scholarship to study in Egypt. Study harder!
 
1--I know. I know. You're right.
 
2--To "keep your eye on the ball" means to keep your attention on something important to you, usually to reach a goal.
 
1--This idiom can be used in all situations.
 
2--In our example, Anna tells Jonathan he needs to keep his eye on the ball if he wants to get a scholarship.
 
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注解：

1.scholarship奖学金
2.attention注意力
3.situations状况

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译文：

1--美语中大量习语来源于体育。
2--下面的习语就是个例子：全神贯注
1--让我们来学习如何在不谈论体育的情况下使用这个表达吧。
2--嗨，乔纳森！你的阿拉伯语课上的怎么样啦？
1--还不错。不过我并没有很努力地学习。
2--乔纳森，如果你真想赢得奖学金、去埃及读书的话，你最好集中精力好好学习。加把劲儿！
1--我知道。我知道。你说的对。
2--"集中精力"表示，集中注意力在某件对你来说重要的事情上，通常是为了实现某个目标。
1--这个习语适用于任何情况。
2--在今天的例子中，安娜告诉乔纳森，他需要集中精力，如果想要拿到奖学金。