1) We are pleased to inform you that特此奉告等
2) The purpose of this letter is to inform you that (of); Through the present we wish to intimate to you that为(目的)奉告某某事项
3) Please inform me that (of); Oblige me by informing that (of) 惠请告知某某事项等
4) We confirm our respects of the l0th May; We confirm our letter of the l0th of this month特确认，本公司某月某日函件等
5) We are pleased to acknowledge receipt of your favour of the lst June; Your favour of the 5th May has just reached me; Your favour of the 5th May is now before me贵公司某月某日函电，敬悉等
6) In reply to your letter of the 5th of May, I have to inform you that (of); In reply to yours of the l0th May, relative to..., I would say that特回答贵公司某月某日函所叙述有关事项等
