He said he was resigning but did not elaborate on his reasons.

他说他准备辞职但未详细说明原因。

《牛津词典》

We will elaborate on this in the next section.

我们将在下一节对此进行详细说明。

youdao

Second, provide learners with opportunities to explain and elaborate on what they're doing.

第二，为学习者提供机会解释并详细说明他们正在做的事。

youdao

One tough moment Bradley was asked to elaborate on was the loss to Costa Rica earlier in the week.

VOA: standard.2009.06.07

I'll go through them briefly now and elaborate on each in the next couple of lectures,interweaving them with studies,research as well as applications.

我会先简短地介绍一下，再逐个阐述,在接下来的几节课里，会分别对它们,进行学习，研究，和应用。

哈佛公开课 - 幸福课课程节选

In the review sections I'm hopeful that your T.A.'s can elaborate on this more.

我想在课程的复习环节里,你们的助教会对此进行详细的说明。

耶鲁公开课 - 金融市场课程节选

Suzuki declined to elaborate on the arrangement, but said that Magma would not be a sponsor.

CNN: Magma Group come to aid of Super Aguri

Athletic Director Jack Swarbrick declined to elaborate on Golson's situation earlier in the day.

NPR: Golson Suspended For Poor Academic Judgment

He was apologetic about missing so many recent commitments but didn't elaborate on the cancellations.

WSJ: Maurizio Pollini: Not as Others See Him | Cultural Conversation by David Mermelstein