The worker operated the machine expertly;we admired him greatly.是什么意思？

The worker operated the machine expertly;we admired him greatly.

那位工人操纵机器很熟练,我们对他很钦佩。

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。

worker

n. 工人，员工，劳动者，[虫]工蜂，工蚁；

例句
A worker was decapitated when a lift plummeted down the shaft on top of him...
电梯沿着电梯井垂直坠落，把一名工人砸得身首异处。

operated

adj. 操作的，多操作者同时工作的；v. 运转( operate的过去式和过去分词 )，操作，经营，管理；

例句
The restaurant is operated by the Palo Alto Auxiliary for the benefit of the Lucile Salter Packard Children's Hospital.
这家餐厅由帕洛阿尔托附院经营，收益用来资助露西尔·帕卡德儿童医院。

machine

n. 机器，机械，机械般的人，核心；vt. 用机器制造，用机器加工；vi. 被机器切削；

例句
A new machine may save thousands of animals from the agony of drug tests...
一种新型机器也许可以将成千上万的动物从药物试验的痛苦中解脱出来。

expertly

adv. 熟练地，巧妙地；

例句
The puppets are expertly manipulated by Liz Walker...
利兹·沃克熟练地操纵着木偶。

we

pron. 我们，咱们，笔者，本人，朕，人们；

例句
...expensive make-up that we saw being advertised by a beautiful model...
我们所见的由一位漂亮模特代言的昂贵化妆品

admired

v. 赞赏( admire的过去式和过去分词 )，称赞，欣赏，<美口>想要；

例句
I admired her when I first met her and I still think she's marvellous...
初次见面时，我就非常佩服她，时至今日我仍然认为她很出色。

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。

greatly

adv. 大大地，非常；

例句
Any assistance you could give the police will be greatly appreciated...
您提供的任何帮助警方都将万分感谢。