我因为有约在先，只能拒绝你的邀请

There used to be various kinds of birds here, but now they are rare(罕见) due to lack of food resources

以前这里有各种鸟类，但现在他们是罕见的由于缺乏食物资源 Is it true that visualizing a task by positive thinking helps to accomplish(完成) the task better

这是真的，可视化任务的积极思考有助于更好地完成任务 You may feel awkward when you start learning how to drive, but it’s easy once you get the hang of(上手) it

当你开始学习如何驾驶的时候你可能会感到很尴尬，但一旦你得到了它的窍门却很简单。

As one of those who have lived through(经历) two world wars, Uncle Sam understands the value of life far better than his grandchildren

作为一个谁经历了两次世界大战，山姆大叔明白生活远比他的孙子的价值

When you are learning driving a car, it makes a difference(有区别) whether you have a good teacher or not

当你在学习驾驶汽车，你是否有一个好的老师这是有很大的区别 He is so stubborn. We have no idea(不知道) how to persuade him to accept our proposal

他是如此的固执。我们不知道如何说服他接受我们的建议 Be more concerned with(关注) your character than your

reputation(名声), because your character is what you really are, while your reputation is just what others think you are

要重视你的品格比你的名誉（名声），因为你的性格是真正的你，而你的名声是别人对你的看法

To our surprise, Mr. Thompson slipped over(溜过) an important point in his analysis — the cause and effect of the problem 令我们吃惊的是，汤普森先生把在他的分析中一个重要的问题的原因和影响

To my pleasant surprise, I ran into(跑进) my best friend Helen in Paris last week

令我惊喜的是，我遇到了我最好的朋友海伦上周在巴黎 I hit the tree behind me when I put the car in reverse(在背面) without looking back first 我撞到树后面时我把车倒回来

I’ll leave you alone here so you can mull over(仔细考虑) the problem and make a decision on your own

我将离开你独自一人在这里，所以你可以仔细思考问题，自己做决定