dress rehearsal, rehearsal. 彩排, 排演

A ballet dancer from the Joburg Ballet performs 'Giselle' during a dress rehearsal at the Joburg Theatre, Johannesburg, South Africa, April 7, 2016. Giselle is a romantic ballet that was first performed in France in 1841 and become popular all around the world. (EPA/Shiraaz Mohamed)
Photos of the day - April 7, 2016
https://www.yahoo.com/news/photos/photos-of-the-day-april-7-2016-slideshow/photos-of-the-day-april-7-2016-photo-1460043654555.html

Rehearsal - Wikipedia, the free encyclopedia

排練也稱為排演，是在正式表演之前非正式的演出

彩排（dress rehearsal）或稱為綵排，是正式表演前的完整排練

DRESS REHEARSAL - 彩排

http://terms.naer.edu.tw/detail/709525/