I work as a waiter in a pub.

It's a work of art.

to work

We work to rule

Work ennobles the soul

I work for 7 hours every day.

to work one’s balls off

to go to work

to work a treat

to work hand in glove

to work hard at something

to work hard for

to work like a charm

to work like a dog/horse

I work for a publishing company.

to work like hell

to work like magic

to work oneself up into a lather

to work one’s fingers to the bone

to work one’s guts out

to work one’s socks off

I work for an investment bank.

to work one’s way up

to work off a debt

to work up a sweat