1.职业（上）的；从事特定专业的
2.职业性的，非业余性的
3.很内行的；极称职的；高水平的
4.【贬】以...为业的，擅长...的
n. 可数名词：
1.职业选手
2.专家，内行
词形变化
- 副词 professionally
- of or relating to or suitable as a profession
- engaged in by members of a profession
- a person engaged in one of the learned professions
- of or relating to a profession
- characteristic of or befitting a profession or one engaged in a profession
- an authority qualified to teach apprentices
- an athlete who plays for pay
- engaged in a profession or engaging in as a profession or means of livelihood