These words all describe things that are shining or full of light or colours that are strong and easy to see.以上各词均形容事物明亮、光线充足、鲜艳夺目。
brightfull of light; shining strongly; (of colours) strong and easy to see指光线充足的、明亮的、色彩鲜明的：◆a bright yellow dress鲜黄色的连衣裙
brilliantvery bright指明亮的、鲜艳的：◆The sky was a brilliant blue.天空一片蔚蓝。
vivid(approving) (of colours) bright and strong指（颜色）耀眼的、鲜艳的、醒目的：◆His eyes were a vivid green.他的眼睛碧绿。
vibrant(approving) (of colours) bright and strong指（颜色）耀眼的、鲜艳的、醒目的：◆The room was decorated in vibrant blues and greens.那房间以鲜艳的蓝绿两色装饰。
vivid or vibrant?用 vivid 还是 vibrant？
These two words are very similar, but vivid emphasizes how bright a colour is, while vibrant suggests a more lively and exciting colour or combination of colours.这两个词非常相似，但 vivid 强调颜色鲜艳明亮，而 vibrant 则指色彩或颜色组合活泼而富生气。
These words all describe people who are good at learning, understanding and thinking about things, and the actions that show this ability.以上各词均形容人有才智、悟性强、聪明。
intelligentgood at learning, understanding and thinking in a logical way about things; showing this ability指有才智的、悟性强的、聪明的：◆He's a highly intelligent man.他是一个很有才智的人。◆She asked a lot of intelligent questions.她问了许多机智的问题。
smart(especiallyNAmE) quick at learning and understanding things; showing the ability to make good business or personal decisions指聪明的、机敏的、精明的：◆She's smarter than her brother.她比她哥哥聪明。◆That was a smart career move.那是个人事业发展上的明智之举。
clever(sometimesdisapproving, especiallyBrE) quick at learning and understanding things; showing this ability指聪明的、聪颖的：◆How clever of you to work it out!你解决了这个问题真是太聪明了。◆He's too clever by half, if you ask me.恕我直言，他未免聪明过头了。NOTEPeople use clever in the phrase Clever boy/girl! to tell a young child that they have learnt or done sth well. When used to or about an adult clever can be disapproving. * clever 用于短语 Clever boy/girl!（多么聪颖的男孩/女孩！）表示孩子学习悟性强、做事聪明伶俐。clever 用于成年人可能含贬义。
brilliantextremely intelligent or skilful指聪颖的、技艺高的：◆He's a brilliant young scientist.他是一个才华横溢的青年科学家。
brightintelligent; quick to learn指聪明的、悟性强的：◆She's probably the brightest student in the class.她大概是班里最聪明的学生。NOTEBright is used especially to talk about young people. Common collocations of bright include girl, boy, kid, student, pupil. * bright 主要用于年轻人，常与之搭配的词有 girl、boy、kid、student、pupil 等。
a(n) intelligent/smart/clever/brilliant thing to do
givingreasontobelievethatgoodthingswillhappen; likelytobesuccessful有希望的；大有可能成功的◆Thisyoungmusicianhasabrightfuture. 这位年轻的音乐家前途无量。◆Prospectsforthecomingyearlookbright. 来年的前景一片光明。◆abrightstarttotheweek本周的良好开端▸bright·ly🔑BrE/ˈbraɪtli/NAmE/ˈbraɪtli/adverb◆abrightlylitroom亮堂的屋子◆'Hi!'shecalledbrightly. “嗨！” 她轻快地招呼道。▸bright·nessBrE/ˈbraɪtnəs/NAmE/ˈbraɪtnəs/noun[U]●brightandˈearlyveryearlyinthemorning大清早◆You'reupbrightandearlytoday! 你今天起得很早啊！●(as) brightasaˈbutton(BrE, informal) intelligentandquicktounderstand机灵的；聪颖的Similes in idioms(as) bald as a coot,(as) blind as a bat,(as) bright as a button,(as) bold as brass,as busy as a bee,as clean as a whistle,(as) dead as athe dodo,(as) deaf as a post,(as) dull as ditchwater,(as) fit as a fiddle,as flat as a pancake,(as) good as gold,(as) mad as a hattera March hare,(as) miserableugly as sin,as old as the hills,(as) pleased as Punch,as pretty as a picture,(as) regular as clockwork,(as) quick as a flash,(as) safe as houses,(as) sound as a bell,(as) steady as a rock,(as) thick as two short planks,(as) tough as old boots●thebrightˈlightstheexcitementofcitylife城市生活的多姿多彩◆Althoughhegrewupinthecountry, he'salwayshadatasteforthebrightlights. 尽管他是在农村长大的，他始终对城市的五光十色情有独钟。●abrightˈspark(BrE, informal, oftenironic) alivelyandintelligentperson, especiallysbyoung活泼机灵的人（尤指年轻人）◆Somebrightspark(= stupidperson)leftthetaprunningallnight. 不知是哪个聪明人让自来水流了一夜。●a/theˈbrightspotagoodorpleasantpartofsththatisunpleasantorbadinallotherways（不幸或逆境中的）可喜部分，闪光点◆Thewinlastweekwastheonlybrightspotintheirlasttengames. 上周的胜利是他们最近十场比赛中唯一振奋人心的一次。●lookontheˈbrightsidetobecheerfulorpositiveaboutabadsituation, forexamplebythinkingonlyoftheadvantagesandnotthedisadvantages（对坏情况）持乐观态度，看到光明的一面
