blooper
noun [ C ] US informal uk/ˈbluː.pər/ us/ˈbluː.pɚ/
花絮（制作电影或电视节目时演员犯的有趣的小错误）
a funny mistake made by an actor during the making of a film or television programme and usually removed before the film or programme is shown
Compare: blunder nounfoul-up bloomer (MISTAKE) pratfall