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1·I'd better buckle down to those reports.

我最好认真静下来努力完成那些报告。《牛津词典》

2·He found it hard to buckle down.

他发现要想扣紧很难。

3·She intends to buckle down and write a musical.

她打算沉下心来写一部音乐剧。

4·If you want to learn English you have to buckle down.

如果你想学英语，你就得非常努力。

5·We must buckle down ourselves until we complete the tower.

我们必须全力以赴直到我们完成了这座塔的兴建。

6·They will buckle down to negotiations over the next few months.

接下来的几个月他们要认真开始谈判。

7·Anyway I decided if I was going to college I needed to buckle down.

总之我决定如果我要去大学的话，我一定要全力以赴。

8·If I was going to finish the book before September was over, I had to buckle down.

如果我要在九月结束前把书看完，我必须全力以赴。

9·It focuses them and makes them buckle down and do the right things in life, he said.

它的重点，并使其成为扣下来，在生活中做正确的事情，他说。

10·Q. s. For them, learning comes too easily and they never find out how to buckle down.

对他们来说，学习是件轻而易举的事，因而他们从未想过如何全力以赴地学习。