be honoured; honourable
I have the honour to inform you that ...
我榮幸地通知你 ...
We shall be greatly honoured by your gracious presence.
如蒙光臨,不勝榮幸。
I deem it an honour to accept your invitation.
承蒙您的邀請, 我覺得很榮幸。
It is a great honour to be with you at this evening party.
今天很榮幸能參加你們的晚會。