nonprofessional 
: 职业的 专业的 n. 自由职业者 专业人员 
professional 
professionnel ☊ 
chuyên nghiệp 
This cook is very professional. ☊ 
Đầu bếp này rất chuyên nghiệp. ☊ Attributes professional ☊ chuyên nghiệp ☊ Attributes My grandfather used to be a professional high jump athlete. ☊ Ông của tôi đã từng là một vậnđộng viên nhảy cao chuyên nghiệp. ☊ Sports like: professional → →
arch swindler, professional crook ☊ bợm già ☊ group of professional beggars ☊ cái bang ☊ professional assassin, professional killer ☊ giết mướn chuyên nghiệp ☊ be a professional mourner ☊ khóc mướn ☊ to be a professional killer, be an assassin, be a hit man ☊ người chuyên nghiệp ☊ technical skill, professional qualification ☊ tay nghề ☊ 1446
A tennis player must be very good to play professionally. ☊ Một tay quần vợt phải rất giỏi mới có thể chơi chuyên nghiệp. ☊ 2922
What did you get out of your college education? — Besides a professional degree, I also made many friends for life. ☊ Cậu đã được gì từ giáo dục đại học? - Bên cạnh cái bằng chuyên môn, tôi cũng có nhiều bạn trong đời. ☊ Do you belong to any professional or trade associations? ☊ association ☊
The doctor behaved very unprofessionally. ☊ behave ☊
recognized professional bodies such as the Law Association ☊ body ☊
a career soldier/diplomat (= a professional one) ☊ career ☊
the professional classes ☊ class ☊
improving standards of training and professional conduct ☊ conduct ☊
go doing sth: It's unprofessional to go round criticizing your colleagues. ☊ go around/round ☊
organized crime (= committed by professional criminals working in large groups) ☊ organized ☊
The contributors are, for the most part, professional scientists. ☊ for the most part ☊
These garments are intended for professional sports people. ☊ people ☊
Have you had any dealings with any of the suspects, either personally or professionally? ☊ personally ☊
professional qualifications/skills ☊ professional ☊
professional standards/practice ☊ professional ☊
an opportunity for professional development ☊ professional ☊
If it's a legal matter you need to seek professional advice. ☊ professional ☊
You must not let your personal reactions interfere with your professional judgement. ☊ professional ☊
Most of the people on the course were professional women. ☊ professional ☊
He dealt with the problem in a highly professional way. ☊ professional ☊
Many of the performers were very professional. ☊ professional ☊
professional conduct/misconduct ☊ professional ☊
a professional golfer ☊ professional ☊
After he won the amateur championship he turned professional. ☊ professional ☊
the world of professional football ☊ professional ☊
the terms that doctors and other health professionals use ☊ professional ☊
You need a professional to sort out your finances. ☊ professional ☊
a top golf professional ☊ professional ☊
This was clearly a job for a real professional. ☊ professional ☊
academic/educational/professional/vocational qualifications ☊ qualification ☊
She never realized her ambition of becoming a professional singer. ☊ realize ☊
receive sth: Emergency cases will receive professional attention immediately. ☊ receive ☊
his private/professional self (= how he behaves at home/work) ☊ self ☊
it surprises sb that...: It surprises me that you've never sung professionally. ☊ surprise ☊
a thoroughly professional performance ☊ thoroughly ☊
He decided to turn professional. ☊ turn ☊
a home video (= not a professional one) ☊ video ☊
professionnel ☊ il est entré dans la vie professionnelle voilà huit ans ☊