Working with synonyms

Even she would have had trouble working with something so little, but his big hands dispensed with the job in short order.

Howie was to remain in Massachusetts, at least for a few more days, working with Quinn and Martha.

He's been working with this guy, not knowing you slept with him.

Actually, I'm a lawyer, working with local counsel on a pending case.

How would you like working with a slug who couldn't keep his hands off your boobs every time no one was looking and grabbed your ass whenever he damned well pleased?