The work on the house will begin in earnest on Monday.

这栋房子的修建工作将在星期一正式开始。

《牛津词典》

He handed the two swindlers a rich earnest that they should set to work.

他给了那两个骗子一大笔定金，让他们马上开始工作。

youdao

The ethos is built into our culture – you can do anything with hard work – but it seems business education doesn’t begin in earnest until you choose a major in college.

其根源来自我们的文化--你可以通过努力工作来实现任何事情--除非你在大学学商科，否则商业教育好像是难登大雅之堂的。

youdao

The director, Edward Zwick, attempting to revive the stately manner of sixties epics, has made a very earnest piece of work handsome, methodical, pious, and rather doggedly literal.

NEWYORKER: The Last Samurai

Only in the early 1990s did a joint Albanian and British team start work in earnest again.

ECONOMIST: Mediterranean archaeology

And on July 16th it delayed its second gathering until August, when it hopes to start work in earnest.

ECONOMIST: Haiti's earthquake