The phrase "a trainee from" is correct and usable in written English.
It can be used to indicate the origin or affiliation of a trainee, often in a professional or educational context.
Example: "She is a trainee from the local university's internship program."
Alternatives: "an intern from" or "a student from".
A trainee from Greece wrote, "Girls, that is fantastic!!!!" Others chimed in with encouraging banter; one from Singapore wrote, "I have been practicing laughing alone religiously since the exciting days in Bangalore!
For almost three years, Catherine Lopez, 28, a trainee from Cebu, the Philippines, has worked up to 14 hours a day, sometimes six days a week, welding parts at a supplier for the Japanese carmaker Mazda.
"This year I have a trainee from Northern Ireland Screen working with me so it's great to see a new generation being able to get experience on such a big production.
Macheda, who has played for Italy at every level up to Under-21, has made only 15 full and 21 substitute appearances for Manchester United in all competitions since joining the club as a trainee from Lazio in 2007, scoring five goals.
Among the fifteen men lost on UB-7 were the Constantinople Flotilla's senior radio officer, and the first Bulgarian submariner lost during the war, a trainee from Vidin.
In the prequel Kingdom Hearts Birth by Sleep, Terra is a trainee from Master Eraqus alongside Aqua and Ventus, developing a strong sibling-like bond with both of them.
A Hilchie was supported by a Postgraduate Scholarship from the Natural Sciences and Engineering Research Council of Canada (NSERC) and a Trainee Award from the Cancer Research Training Program, with funding from the Canadian Cancer Society.
Next to him, Abdeen, a trainee teacher from Sudan, is asking after a crank; Djibril from Sierra Leone is helping with another fix-up; and a Syrian lady picks out a pink-framed mountain bike she likes the look of.
15.00 Sam Corriga, 23, is a trainee journalist from the northwest of England.
She was a trainee nurse from the Transkei, four years younger than her future husband.
Monika Suchocka, 23, a trainee accountant from Poland, who was living in Archway, north London.
