Feng added that unless you are asked to call your colleague "Sister" or "Brother", such intimate nicknames are inappropriate when you are new and do not know people well.

冯丽娟还表示，除非同事要求你称呼她/他为“姐”或“哥”。否则，在你还是个新人，与他人还不够熟识的情况下，这种亲昵的称谓是不够得体的。

youdao

The neighborhood is the South Bronx, where Sister Edgar and her young colleague, Sister Gracie, are going about their good works.

NEWYORKER: Laureate of Terror

Also hoping to lure foreign cash was Azman's colleague at AMC's sister entity Danamodal, which is tasked with injecting capital into Malaysian banks and pressing for efficiency-enhancing link-ups.

CNN: THE ASIAWEEK FINANCIAL 500

Her family said she was "a loving daughter, beloved sister, a valued friend and work colleague".

BBC: Bethan Davies