机工的英文：
gearhead attendant
machinist
mechanician
pitman
engine attendant

参考例句：

We're up to our eyes in work and so all the machinists are being offered as much overtime as they want.
我们的工作非常忙，因此所有机工都能象他们所希望的那样去加班。

A young machine hand, attracted by her looks, made bold to jest with her.
一位年轻的机工， 被她的美貌所吸引， 壮着胆子跟她开玩笑。

gearhead是什么意思：
gearhead
n. 【计算机】计算器程序设计者
attendant是什么意思：
n. 服务人员；侍者，随从
adj. 伴随的；护理的

Attendance is obligatory.
出席是必须的。

in attendance on a person
随侍 [服侍] 某人

Everybody consciously attends to things and everything is attended to
人人自觉管,事事有人管。

machinist是什么意思：
n. 机械师,机械安装修理工,机械工

Machinists use many instruments and gauges for making measurements.
机械工人使用许多仪器和量规进行测量。

A skilled machinist trained in making and repairing tools and parts.
工具制造者经训练制造、修理工具及零件的熟练机械工人

Then I changed my mind and began to take a fancy to machinist engineering.
随后我改变了想法，开始幻想成为一名机械工程师。