" You can't do it, you know,'said the detective, eyeing him coolly.是什么意思？

" You can't do it, you know,'said the detective, eyeing him coolly.

“ 你不能那么做, 这你是知道的, " 侦探说, 冷眼打量着他.

you

pron. 你，你们，您们，各位，大家；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

do

aux. 构成疑问句和否定句，代替动词，用于加强语气；vt. 做，干，进行，从事；vi. 表现，进展，引起，行过；n. 社交聚会，社交活动，宴会；

例句
Rachel was going to do something about Jacob...
蕾切尔将对雅各布有所行动。

it

pron. 它，他，正好是所需的，事实[情况]；n. <美俚>傻瓜，笨蛋，<俚>绝妙的人，理想的东西，登峰造极；

例句
I suggest you leave it to an expert...
我建议你把它留给专家来解决。

know

v. 知道，了解，认识，确信；n. 知情；

例句
I know you're above me socially, but I must say I find your attitude offensive...
我明白你的社会地位比我高，但我得说我觉得你的态度很粗鲁。

said

adj. [律]上述的，少说为妙，（做）某事有/没有很多优点（或好处）：某事物有/没有多少可说的，说到底；v. 说，讲( say的过去式和过去分词 )，表明，念，说明；

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。

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。

detective

adj. 侦探的，适于探测的，用于探测的；n. 侦探；

例句
The detective has to discover the motive, the means and the opportunity and has to keep these three balls in the air.
那名侦探必须查明动机、手段和时机，而且对这三项的调查必须同步展开。

eyeing

vt. 定睛地看（eye的现在分词形式）；

例句
Drew spends all day eyeing up the women and making lewd comments.
德鲁整天就盯着女人看，说些下流话。

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。

coolly

adv. 冷淡地，冷静地，凉爽地，厚颜无耻地；

例句
After listening one morning to this effusions on this subject, Mr. Bennet coolly observed.
一大早晨,班纳特先生听到她们滔滔不绝地谈论这个问题, 他不禁冷言冷语地说起来.