stand in
(拍影片時在燈光等布置好以前) 代替演員站好位置
take sb. 's place or job for a short time代替
she often stands in before a scene is being fimed. 在正式拍攝一個場景前,她經常充當演員的替身。
He said be would stand in for me any time. 他說他隨時都願意來替代我。
I'm standing in for the secretary while she is sick. 秘書生病了,我在頂她的位置。