Rt. Hon.

剑桥词典

abbreviation for Right Honourable : a title given to important British officials such as Privy Councillors and members of the government
（对英国重要官员和政府成员的尊称）阁下（Right Honourable的缩写）
the Rt. Hon. Julian Smith MP 朱利安‧史密斯议员阁下 返回 Rt. Hon.