Understudy
01
替补演员, 候补演员
an actor who practices the lines of another actor in order to replace them if necessary
例子
The understudy stepped into the lead role at the last minute when the main actor fell ill.
当主演生病时，替补演员在最后一刻接替了主角。
The director praised the understudy's dedication during rehearsals.
导演赞扬了排练期间替补演员的奉献精神。
to understudy
01
学习替补角色, 担任替补演员
to learn and rehearse a role in a play or other performance as a substitute for the regular performer in case of need
例子
She was chosen to understudy the lead actress in case of illness or absence.
她被选为在生病或缺席时替补女主角。
He spent weeks understudying the role of Hamlet in preparation for the big performance.
他花了数周时间学习哈姆雷特的角色，为大型演出做准备。
