regards [] used to send good wishes to sb at the end of a letter, or when asking sb to give your good wishes to another person who is not present（用于书信结尾或转达问候）致意，问候◆With kind regards, Yours …谨此致意，…敬上●in/with regard to sb/sth () (often used in letters, etc.) concerning sb/sth（常用于书信等）关于，至于◆I am writing with regard to your application …关于你的申请一事，特致函…