Englishfor English speakers
professional
Adjective
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About a job such as doctor, lawyer, accountant, etc.
The group offers free professional advice on legal matters and housing.
The government has established a new professional body to regulate doctors.
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If someone is professional, they do their job seriously and with much skill.
We employ friendly, professional staff who can offer the benefit of many years' experience .
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If someone is professional, they are paid for their job, sport, art, etc.
After playing amateur tennis for years, he turned professional at the age of 25.
professional
Noun
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A professional is a person who is paid for doing their job, sport, art, etc.
More and more the Olympics are allowing professionals to compete.
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A professional is a person who does a job such as doctor, lawyer, accountant, etc.
Professionals often spend years and hundreds of thousands of dollars in school.
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A professional is a person who is serious and skilled in their work.
You should get him to fix your car. He's a real professional.
qualification
Noun
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A qualification is something you might need to so something (such as a job). This might be a skill, knowing about something, or having done a similar job before.
Being able to lead is an important qualification to be president.
The qualifications for this job include being able to use a computer.
They listed an engineering degree as a qualification for the job, even though it was not as an engineer.
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A qualification is something you add to an idea that limits its effect or meaning.
I accept your offer, but with some qualifications.