He is a very shrewd operator with an incisive mind.

他是一位非常精明的经营者，有着敏锐的头脑。

《柯林斯英汉双解大词典》

She had worked as a call centre operator making cold calls for time-share vacations.

她曾经在一个呼叫中心担任话务员，打陌生推销电话推销分时度假。

《柯林斯英汉双解大词典》

His lawyer's a sharp operator.

他的律师是个老狐狸。

《牛津词典》

He got a job with the Marconi Wireless Telegraph Company where he worked as a telegraph operator.

VOA: special.2010.01.31

- And here as promised is that other operator -- looks a little weird, but because assignment is already using the equal sign to assign one value on the right to a variable on the left.

在这里正像所承诺的那样，其他的操作-,看起来有点怪异，但是因为“=“已经被用来当赋值运算符了,用来把右边的一个值赋值给左边的变量。

哈佛公开课 - 计算机科学课程节选

The semantics was what caused the problem, because the operator was expecting a particular kind of structure there.

引起问题的是语义，因为运算符需要的是,一种特定种类的数据结构。

麻省理工公开课 - 计算机科学及编程导论课程节选

And eventually, a telephone operator -- a telegraph operator sent out a simple message to the cheers of a waiting nation.

WHITEHOUSE: President Obama on the National Wireless Initiative

When a patient calls 111, an operator - who is trained in the same way as a 999 operator - can send out an ambulance, put someone straight through to a nurse, book an out-of-hours GP appointment, or direct the caller to a pharmacist or dentist.

BBC: Tories call for NHS 24 to be a freephone service

The first list features nine names, including a hairdresser, a coach operator and a knitwear manufacturer.

BBC: Tax dodgers named on HMRC list