The phrase "acquaintances at work" is correct and usable in written English.
You can use it to refer to people you know casually or have a friendly relationship with in a professional setting.
Example: "I have several acquaintances at work, but I haven't formed close friendships with any of them yet."
Alternatives: "colleagues" or "work associates".
Her acquaintances at work and in her neighborhood reported her daily routine and usual activities to be habitual, with a regular work schedule, visits to Chinatown in Manhattan to shop, and trips to post offices and department stores near her workplace and home.
You meet acquaintances at work, in the pub, at the gym, at school, or at your hobby club.
The usual form of address in Russian among acquaintances, neighbours, colleagues at work, and inclusive superiors is by the given name and the patronymic.
The older crew members have a passing acquaintance with such devices at work, but that's it.
According to Stroud, on 18 January 1909, while he was away at work, an acquaintance of theirs, barman F. K. "Charlie Von Dahmerr, had allegedly failed to pay O'Brien for her services and beat her, tearing a locket from her neck that contained a picture of her daughter that was of sentimental value.
Additionally, social networking sites including LinkedIn, can make a job search more public, alerting current colleagues or higher ups that you're unhappy at work through common acquaintances or profile postings.
One twenty-something Goldman Sachs employee, who spoke on the condition of anonymity because he was not allowed to speak on the record, said he now told new acquaintances he worked at a consulting firm.
Mr. Berg's friends and acquaintances at the hotel said he was working on communications towers for some Baghdad hotels.
They are often less willing to break them with someone who holds a position of authority in their lives, such as a supervisor or superior at work, or someone representing the legal or criminal justice system, than to an acquaintance or subordinate at work.
Participants were asked to report as precisely as possible the number of contact persons that they had during one full day ('yesterday') at four predefined locations, namely at home, at work or educational institute (school or university), at the house of family or friends or other acquaintances, and at other places (e.g., during sports, shopping or travelling, or in a restaurant or cafe).
