(9)回信 (Noun) An answer; A reply; A response. (Verb) To answer; To reply; To give a reply; To give one's answer; To make an answer; To send an answer; To write in reply; To answer one's letter. (特此回信) Reply to; Answering to; In answer to; In reply to; In response to. (等候回信) To await an answer; To wait for an answer. (收到回信) To get an answer; To favour one with an answer; To get a letter answered.
(10)收讫,收到 (Noun) Receipt(收到); A receipt(收据); A receiver(领取人,取款人); A recipient(收款人) (Verb) To receive; To be in receipt of; To be to (at) hand; To come to hand; To be in possesion of; To be favoured with; To get; To have; To have before (a person); To make out a receipt(开出收据); To acknowledge receipt(告知收讫).
(11)确认 To confirm; Confirming; Confirmation; In Confirmation of(为确认...,为证实...); A letter of confirmation(确认函或确认书)
(12)高兴,愉快,欣慰 To have the pleasure to do; To have the pleasure of doing; To have pleasure to do; to have pleasure in (of) doing; To take (a) pleasure in doing (something); To take pleasure in doing (something); To be pleased to (with)(by); to be delighted at (in)(with); To be glad to (of)(about); To be rejoiced in (at).
(13)随函附件 Enclose; Inclose.
(14)迅速,立刻 Urgently; Promptly; Immediately; With all speed; At once; With dispatch; With all despatch; With the quickest possible despatch; With the least possible delay; As soon as possible; As quickly as possible; As promptly as possible; At one's earliest convenience; At the earliest possible moment; At an early date; Without delay; Without loss of time; Immediately on receipt of this letter; By express messenger; By Special messenger; By special delivery; By express letter.
(15)回信 By return; By return of post; By return of mail; By return of air-mail.
(16)依照 According to; Agreeably to; Conformably to; pursuant to; In accordance with; In conformity with (to); In obedience to; In deference to; In compliance with; In agreement with; In pursuance of.
(17)就...,关于 About; Regarding; Concerning; As to; As regards; With regard to; In regard to;(of); Respecting; Relative to; Anent; In connection with; Referring to; With reference to; In reference to; Re.