The obscure charges against him lacked specification.是什么意思？

The obscure charges against him lacked specification.

对他的模糊的指控缺乏明确的说明.

the

art. 指已提到的人（物），指说话人与听者已知的人（物），用于独一无二的事物前，与形容词最高级和序数词连用；

例句
He did have a real knowledge of the country...
他对该国的确知之甚多。

obscure

adj. 昏暗的，朦胧的，晦涩的，不清楚的，隐蔽的，不著名的，无名的；vt. 使…模糊不清，掩盖，隐藏，使难理解；n. 某种模糊的或不清楚的东西；

例句
These obscure groups were of little account in national politics.
这些名不见经传的团体在国内政界无足轻重。

charges

n. 指责，控告，命令，充电，指示( charge的名词复数 )，费用，掌管；v. 装( charge的第三人称单数 )，控诉，记账，使充电；

例句
All seven charges accused him of lying in his testimony...
七项罪名都指控他作伪证。

against

prep. 反对，对…不利，紧靠，以防；

例句
His hand brushed against hers; it could have been either accidental or deliberate.
就在有意无意间，他的手轻轻拂过她的手。

him

pron. (he的宾格)他；

例句
They said goodbye to him as he got aboard the train at Union Station.
当他在联合火车站登上火车之际，他们向他道别。

lacked

v. 缺乏，缺少( lack的过去式和过去分词 )；

例句
We lacked concentration and it cost us the goal and the game.
我们注意力不够集中，结果丢了球，输了比赛。

specification

n. 规格，详述，说明书；

例句
Michelle will also spin a customer's wool fleece to specification at a cost of $2.25 an ounce.
米歇尔也会按顾客的要求为其纺羊毛呢，每盎司收费 2.25 美元。