1、blacktie黑色领结veryformaldressingforfancyformalparty.相关词语还有eveninggown晚礼服。blackbelt黑带expertespeciallyinmartialart.intheblack赢利Itmeanssomeoneisdoingwellinbusiness/businessesthatarefinanciallysolvent.例如Hemovedthecompanyintotheblack.他让公司扭亏为盈。它的反义词是inthered，意思是indebt。black-hearted黑心肠，邪恶blacksheep害群之马badmemberofthefamily.blackmarket黑市illegaltrade.blackmail敲诈，勒索obtainsth.bythreat.blacklist列入黑名单
2、形容黑的表达方式:blackasskilletblackascoalb盟敢势袂lackasnightblackasastackof芟鲠阻缒blackcatsblackaspitchdark多形容心情和环境Theparkisdarktodaybecausethereisnomoonandnostars.例如Hehasdarkthoughts.darkthoughts.这里指evilthoughts。blackout停电，也可以指loseconsciousness。例如Heblackoutforalmostaminute.Aftertheaccident,hecouldrememberwhathappened.blackout也有涂黑遮掩的意思，例如Thedateontheletterhadbeenblackedout.blackmarkbesidesone'sname.指的是sth.negativeassociatedwiththeperson.Oops,Imadethesamemistakeagain.I’vegotanotherblackmarkbesidemynamenow.blackandblue意思是有瘀青，badlybruised。例如Iknockedmyhandsontheotherdayontothewoodenchair.Itturnsblackandblue.也可以指精神上受到伤害，例如Heisstillblackandbluefromhisdivorce.
3、swearblackandblue发誓例如Hesworeblackandbluethathehadnothingtodowiththe罪焐芡拂moneythatismissing.blackeye意思是bruiseneartheeyefrombeingstruck.例如Hegavesomeoneablackeyewhensomebodyhithim.也可以指harmdonetoone’scharacterorreputation.例如Marygotablackeyebecauseshewaslying.blackbox,adeviceforautomaticrecordingofthedetailsinsideanairplaneorhelicopter.“黑匣子”是飞机专用的电子记录设备之一，名为航空飞行记录器。里面装有飞行数据记录器和舱声录音器。例如Theyfoundtheblackboxfromthewreckageofthecrashedplane.Twoblacksdonotmakeawhite.两黑不能合成一白；积非不能成是。Potiscallingthekettleblackone.意思是Youshouldnotcriticizesomeoneforafaultthatyouhavetoo.五十步笑百步。putsth.downinblackandwhite立个字据blackday黑色日子adaywhensomethingveryunpleasantsadhappens.blackFriday美国感恩节的第二天，通常叫做黑色星期五（BlackFriday），它标志着圣诞购物季的开始。blackandwhite意思是straightforward，事情很简单黑白分明，不会拐弯抹角。类似的说法还有swearupanddown（美），swearblind（英）。black还有一个意思是thetrendoftheseason现在正流行，例如Brownisthenewblack.