You can refer to an actor or other performer as a trouper, especially when you want to suggest that they have a lot of experience and can deal with difficult situations in a professional way.
例句
Like the old trouper he is, he timed his entry to perfection.他是个老演员,出场时间把握得恰到好处。
英英词典释义
Noun
1. a person who is reliable and uncomplaining and hard working
2. an actor who travels around the country presenting plays