ADJ-GRADED 未达专业水准的;不专业的;外行的 If you use unprofessional to describe someone's behaviour at work, you are criticizing them for not behaving according to the standards that are expected of a person in their profession. 未达专业水准的;不专业的;外行的 [disapproval]
What she did was very unprofessional. She left abruptly about 90 minutes into the show.
她的表现很不专业,在节目进行到90分钟的时候就突然离开了。
He was also fined $150 for unprofessional conduct.