understudy

• 指在戏剧、影视等表演中，随时准备替代主要演员上场的替补演员。也泛指任何预备接替他人工作的人。

A noun referring to an actor who is prepared to take over the role of a regular performer when needed.

1. Actor's replacementB2formal

   A performer who learns the role of another actor in a play or show so they can step in if needed.

   替补演员

   • The understudy performed brilliantly when the lead actor fell ill.
   • She worked as an understudy for the main role in the musical.
   • The director praised the understudy for being well-prepared.

   同义词alternatebackupcoverdoublestand-insubstitute

• 动词，指在他人指导下学习或掌握某个角色或技能，通常用于戏剧或职业语境中；也指作为替补演员随时准备顶替主角。

A verb used to indicate the act of studying or learning a role or subject under the guidance of another, typically in a theatrical or professional context.

1. Act as a substitute performerB2formal

   To study and prepare to perform a role in a play or show as a replacement for the main actor.

   担任替角

   • She understudied the lead role in the Broadway production.
   • He understudied the main actor for several months before the performance.
   • The young actress was chosen to understudy the famous star.

   同义词coverdeputizerelievesubstitute