act in one’s own capacity (or on behalf of an organization);appear personally;show up 他沒有～。He did not show up./親自～ take up the matter oneself/利用別人～提出倡議use others as frontmen to put forward initiatives/～調(diào)停act as a mediator/以個人名義～act in one’s own name/以大使身份～act in one’s capacity as ambassador