Just a quick note preface before I start in earnest.

在正式开始前先简单说几句。

Irony? my dear, I was perfectly in earnest.

冷嘲热讽？亲爱的，我可是相当认真的。

Now the bras are off in earnest.

今天她们把胸罩很严肃地脱掉了。

Then the story began developing in earnest.

然后，作者又把它完善成一个故事。

On the third day, the wolf came in earnest.

到了第三天，狼真的来了。

The investigations are just beginning in earnest.

调查才刚刚开始严肃起来。

Biden recently began campaigning in earnest.

拜登最近开始认真地进行竞选。

Perhaps. Yet, for all his playfulness, Mr Tesson is in earnest.

但在他所有嬉言之下却有着一颗虔诚的心。

After 18, we begin Pulling Up Roots in earnest.

18岁以后，我们开始真正地脱离家庭。

If he has, the work to rebuild him can begin in earnest.

如果是的话，重新塑造他的工作就真可以开始了。