On his return from the countryside he set to work in earnest.

他从乡下回来之后，就认真干起来了。

youdao

At last he has settled to his work in earnest.

最后他安心认真地干起他的工作来。

youdao

At last he has settled to his work in earnest.

最后他安心认真地干起他的工作来。

youdao