第一，迷你对话

A: I don't know why you change your mind. You are looking forward to traveling abroad, aren't you?

我不知道你为什么改变主意，你不是一直渴望到国外旅游吗？

B: Yeah. But I must buckle down on my study this holiday. If I fail the entrance examination, my parents will be very disappointed.

是的，但是这个假期我必须努力学习。如果我没有通过升学考试，我的父母会很失望的。

A: I see.

我明白了。

第二，地道表达

buckle down

1. 解词释义

Buckle down的意思是“开始认真干”，其英文解释为：To put forth maximum effort toward something, especially after not having done so.表示“认真，全力以赴做某事”，在短语的后面的用介词on，即：buckle down on something.

2. 拓展范例

e.g. If you want to get a passing grade this semester, you'll really need to buckle down and study hard.

要是你这学期想通过考试的话，你真得用功念书。

e.g. The only way we'll meet the schedule is to buckle down and get on with the job.

我们要完成计划的唯一办法是全力以赴，继续工作。

e.g. Johnny found he'd better buckle down on getting himself a job.

约翰尼发现自己还得下功夫找个工作。

第三，语汇积累

1. change one's mind：改变主意

e.g. I hope you wouldn't chop and change your mind so often.

我希望你不要总是反复无常。

e.g. She' ll work on him to make him change his mind.

她将努力说服他改变主意。

2. look forward to：期待，期盼，渴望

e.g. I look forward to your letters almost madly, and your handwriting makes my heart beat as if I were a schoolgirl.

我发疯般地盼着你的来信，而你的手迹弄得我心儿剧跳，仿佛我还是个中学生。

e.g. We appreciate your cooperation and look forward to receiving your order early.

谢谢你方合作并盼望早日接到你方订单。

3. fail the examination：没有通过考试

e.g. Do something about your English, or you will fail the college entrance examination.

你的英语该加把劲了，不然你高考会失败的。