"expert training" is correct and usable in written English.
You can use it any time you are referring to a specific training course led by an expert in the field. For example: "The company offers expert training in marketing to help small business owners succeed."
"Having travelled to Pakistan for expert training and preparation, Naseer and Khalid returned to the UK, where they discussed attacks involving up to eight rucksacks.
Yet city officials had continued to pay, after the agency assured them that a substitute program was in place, even though it did not provide the expert training.
Shelby's lawyer, Scott Wood, said the officer had completed drug-recognition expert training and felt Crutcher was under the influence of PCP.
It is natural to think that competent judgment about fiscal policy requires expert training in economics akin to a physician's training in medicine.
Mary Robinson, the United Nations high commissioner for human rights, praised China for signing the agreement, which will lead to seminars on delicate rights issues and expert training on legal procedures and related topics.
Hiragushi set out for Ōsaka at the age of 21 to receive training in wood sculpture from a doll-carving expert, training that greatly influenced his work in later years.
Gavrielatos said the program undermined the secular traditions of state schools, adding the students would be better served by "expert trained school counsellors, psychologists and welfare officers".
Makeup Expert Trained in Psychology.
By then he was a GM expert, trained at taxpayer expense.
He's been promoted from Specialist to Expert, trained the team in opening a new store, and feels so much pride in his success.
If the artwork is old, or of great value; you may want to hire an insured expert trained in properties of ancient paint to do the job.
