deputize
/ˈdepjʊtaɪz/verb
no obj.
1- temporarily act or speak on behalf of someone else临时代理; 临时代言：
she got a job deputizing for a lecturer on maternity leave.
她临时代替一位休产假的讲师工作。
1.1
- with obj. N. Amer. make (someone) a deputy〈北美〉让（某人）作代表。