1."They'renice"means:Theyarefriendly.2.Niceisanadjectivethatmeans:precise,beautiful,subtle,andkind.3.Phrasesusing"nice":-Haveaniceweekend.-Haveanicetrip.-Haveanicetime.-Itwasnicetalkingtoyou.4.Examplesentence:I'vemetyourfatherandhe'srathernice.Niceisusedingreetings,suchaswhenmeetingsomeoneforthefirsttime:"It'snicetoseeyou."Whenleaving,itcanbefollowedbyapresentparticiple("meeting")orapastparticiple("tohaveseen").Inthestructure"niceand+adj.","niceand"isusedtoemphasizethedegreeofthefollowingadjective,meaning"very"or"extremely,"commonlyusedinspeechandplacedaftertheworditmodifies.Itcanalsobeusedironically,equivalentto"quite"or"very."Thephrase"niceofsbto-v"isusedtoexpressgratitudeforakindactperformedbysomeone.When"nice"means"respectable"or"prudent,"itistypicallyusedinnegativesentences.Differentialsenseof"nice,""decent,""decorous,""proper,"and"seemly":-Decentreferstosomethingthatkeepswithinthelimitsconsideredsuitableforitskindorclass,appropriatefromamoralorsocial-etiquettepointofview,orinkeepingwithhightasteoraparticularsituation.-Decorousdescribessomethingmarkedbypolitenessandsometimesformalorceremonialcorrectness.-Seemlymeansnotonlyappropriateandproperbutalsoaestheticallypleasing.-Properindicatesconformitytogenerallyacceptedethicalorsocialstandardsorcustoms.-Nicesuggestsalevelofexcellencethatmeetsstandardsofbehavior,manners,andlanguagethatareverystrictordemanding.