buckle down to造句

1、After her teacher warned her that she might fail, Sue began to buckle down to her studies.
自从老师警告她可能留级之后，苏开始努力学习。

2、I'd better buckle down to those reports.
我最好认真静下来努力完成那些报告。

3、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。