相当详细的英文：
at considerable length ;at great length ;at some lenght

参考例句：

He explained his plan in some detail.
他相当详细地解释了他的计划。

The fabrication of the various optical waveguides has also been reported in considerable detail.
对各种光波导的制作技术也做了相当详细的报导。

She has a detailed knowledge of this period
她对这段时期的情况了解地相当详细

considerable是什么意思：
adj. 值得考虑的，重要的，相当多的，著名的
adv. 相当地，十分地
n. 要考虑的事情

The buyer of a CNC turning center may or may not have the warranty to consider in the purchase but will make other considerations.
计算机数控切削中心的购买者也许会考虑该切削中心有无保修证书，也许不考虑这一点，但他总会有各个方面的考虑。

Moreover, trial judges who are reversed in civil appeals and administrators who have had their decisions remanded by the courts for further consideration are not considered incapable of giving fair and impartial consideration to the merits of the case.
此外，人们并不认为，在民事上诉中其裁定被推翻的法官和其裁定被法院发回重审的行政官员没有能力公正和无偏袒地考虑案件的是非曲直。

I should like to ask you to think this over and take it into consideration when drafting the basic law. You should also consider a few other things.
所以请诸位考虑，基本法要照顾到这些方面。

length是什么意思：
n. 长度；时间的长短；篇幅，放映时间；（某物的）一段；音长

The length of the chain molecule is proportional to the kinetic chain length
链分子的长度与动力学链长成正比。

The length of that pen is only a finger.
那支钢笔只有一指长。

The standard length in France is the meter.
法国的标准长度是米。

great是什么意思：
adj. 巨大的；很多的；重大的；伟大的；优异的；极好的；非常的
n. 大师；大人物，伟人

A great talker is a great liar
言多必妄

Great hopes make great man
伟大的抱负造就伟大的人物

Great hopes make great men
伟大的希望造就伟大的人物