be honoured; honourable
I have the honour to inform you that ...
我荣幸地通知你 ...
We shall be greatly honoured by your gracious presence.
如蒙光临，不胜荣幸。
I deem it an honour to accept your invitation.
承蒙您的邀请， 我觉得很荣幸。
It is a great honour to be with you at this evening party.
今天很荣幸能参加你们的晚会。