美國習慣用語 stand-in
此用語出自Hollywood，本指替身演員，現用法已擴大到一般的生活領域，凡是因某種原因臨時代替某人做某事，就可以用stand-in.

例句
你今天又要我替你去參加晚上的晚餐會？我告訴你，你老讓我去替你，我都煩死了。要是你不想擔負起你的責任，那你為什麼不讓位，讓我來擔任經理吶！”

[VOA寫法]
You want me to be a stand-in for your again tonight at the dinner party?Let me tell you, I am getting tired of being your stand-in all the time.If you do not want to perform your duties,why do not you let me take over your position.

[我的寫法]
Do you want me being your stand-in at the party tonight? I have been tired of standing in for you.If you do not like to do your duties,wny not let me take over your postition.