to ask someone to act or speak for you请…代表,委托…为代表
[ + to infinitive ] I've deputed Lara Brown to speak for me at the conference.我已委托劳拉‧布朗代表我在会上发言。 depute sth to sb If you depute something to someone, you ask them to do it for you.将…委任给;将…委托给
She's deputing the organization of the exhibition to Sara.她正把展会的组织工作委托给莎拉处理。