understudy
🇺🇸
/ˈʌndərstʌdi/
🇬🇧
/ˈʌndəstʌdi/
A person who is trained to take over the role of another person in a performance, in case the original person is unable to perform.
She was the understudy for the lead role in the play.
彼女は劇の主役のスタンバイ役でした。
To be trained to take over the role of another person in a performance, in case the original person is unable to perform.
He has been understudying the lead role for the past three months.
彼は過去3ヶ月間、主役のスタンバイをしていた。