operators
An operator is a person who connects telephone calls at a telephone exchange or in a place such as an office or hotel.
He dialled the operator and put in a call to Rome.
他拨了接线员的号码,让他接通一个到罗马的电话。
An operator is a person who is employed to operate or control a machine.
computer operators.
电脑操作员。
An operator is a person or a company that runs a business.
the nation's largest cable TV operator.
全国最大的有线电视运营商。
If you call someone a smooth or shrewd operator, you mean that they are skilful at achieving what they want, often in a slightly dishonest way.
He is a smooth operator. Don't underestimate him.
他是个精明圆滑的人,别低估他。