挖掘机司机用英语怎么说呢

挖掘机司机用英语可以说 excavator operator 或者 heavy equipment operator。

"Excavator" 来源于拉丁语 "excavare"，意思是"挖掘"。"Operator" 来源于拉丁语 "operari"，意思是"操作"。

例句:

The excavator operator was able to dig the foundation for the new building in just one day.
(挖掘机司机只用了一天就能挖好新建筑的基础。)
The heavy equipment operator was trained to operate several types of machinery.
(重型设备操作员被培训操作几种机械。)

注意:挖掘机司机也可以叫做"挖土机司机"或者"挖掘机驾驶员"