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1·He expounded his views on the subject to me at great length.

他详细地向我阐述了他在这个问题上的观点。《牛津词典》

2·We have already discussed this matter at great length.

我们已经十分详尽地讨论了这个问题。《牛津词典》

3·She told me what it meant at great length but I'm afraid I'm none the wiser.

她费尽口舌给我解释它的意思，可我恐怕还是不明白。《牛津词典》

4·She rambled on at great length but she didn't get to the heart of the matter.

她夹七夹八地说了许多话也没说到点子上。《新英汉大辞典》

5·This we will be discussing at great length.

我们将详细地讨论这个。

6·He spoke at great length on these questions.

他非常详细地论述了这些问题。

7·In person, most just boast to her at great length.

他们大多数人只是长篇大论地自吹自擂。

8·We have already discussed the matter at great length.

我们已经详细地讨论了这件事。

9·He has given all the facts at great length so that you may judge for yourself.

他给了所有的事实在伟大的长度，这样你可以自己作出判断。

10·They talked over at great length the matter of how to increase the sale of your products.

他们详细地讨论了怎样增加你方产品的销售。