静下心来做某事

1.get down to busine

get down to work(U)

We have a lot of important work to do, so let\'s getdown to the main problem.

2.set to work开始工作

3.settle down to sth: set down to his work开始工作settle down to do sth/doing sth都可以She must settle down to write an article .她安下心来写一篇文章。

I must settle down to finishing writing the book.我真的得安下心来写完这本书了

4.set about doing sth=set out to do

5.set down to doing sth 开始做某事set out an idea阐释一个想法set out for sp.出发去某地