Arthur Ashe then became a professional tennis player.

VOA: special.2010.02.07

This is my friend, long-time colleague, music librarian extraordinaire and professional French horn player, Eva Heater, who will demonstrate here-- Come on over here right in the center.

这位是我的朋友,长期共事的同事,音乐图书管理员,了不起的专业法国圆号手,伊娃·夕瑟,她将在此演奏,过来,站到中间来

耶鲁公开课 - 聆听音乐课程节选

He started as a professional football player.

VOA: special.2009.05.01

The lanky teenager began playing Australian Rules Football just four years ago but has made history by becoming the first player from Africa to join the professional league,the AFL.

VOA: standard.2009.12.17