early 15c., of religious orders; 1747 of careers (especially of the skilled or learned trades from c. 1793); see profession. In sports, opposed to amateur, from 1846. Related: Professionally.
professional (n.)
"one who does it for a living," 1798, from professional (adj.).
实用例句
1. He seemed fond of her in a strictly professional way.
他似乎只是出于职业缘故而喜欢她。
来自柯林斯例句
2. I'm a novice at these things, Lieutenant. You're the professional.
中尉，做这些事情我是新手，你是行家。
来自柯林斯例句
3. Support for monogamy and marriage was strongest among the professional classes.
专业人士阶层最支持一夫一妻制。
来自柯林斯例句
4. I've always kept my private and professional life separate.
我总是将私生活和工作分开。
来自柯林斯例句
5. He is a model professional and an example to the younger lads.
