Mr。HuinEnglishisaddressedasMr。Hu。Thisisacourteouswaytoshowrespectandhonortoaperson。Itisusuallyusedwhenreferringtosomeoneolderthanyourselforsomeonewithhighersocialstatus。Itisoftenusedinbusinesssettingsandotherformalsituationstoshowpoliteness，goodmanners，andrespectfortheotherperson。Forinstance，whentalkingtoanexecutiveorsomeoneinauthority，itiscustomarytoaddressthemasMr。Inaddition，itcanalsobeusedasaformaltitlewhenwritingsomeonesnameinfull。Forexample，onemaywriteJohnSmith，Mr。onaninvitationcard。ThistermofaddressismostcommonlyusedinBritishEnglish，butitisalsoslowlybecomingpopularamongspeakersofAmericanEnglishaswell。