plenipotentiary
n
person (esp an ambassador) with full powers to act on behalf of his government (esp in a foreign country) (代表政府的)全权代表(尤指在外国); (尤指)全权大使. plenipotentiary, adj of or like a plenipotentiary (似)全权代表的, 全权大使的
The minister was given plenipotentiary powers in the trade negotiations. 该部长获有全权进行贸易谈判.