担当用英语怎么说名词

"担当"的名词形式为 "person in charge"。这个短语来源于英语中的动词 "to bear"，意思是 "承担"。在这里，"in charge" 的意思是 "负责"。

例句：

John is the person in charge of this project. (约翰是这个项目的担当。)
Who is the person in charge of the marketing department? (谁是市场部的担当？)
The person in charge of the event will be responsible for its success. (负责这个活动的人将对其成功负责。)