1Of, for, or relating to young people.

青少年犯罪。

1. 1.1 Childish; immature.
   孩子气的，幼稚的；不成熟的
   she's bored with my juvenile conversation

   她对我幼稚无知的谈话感到厌烦。

   Example sentencesExamples

   • Secondly, he is sitting upon a pitchfork and refuses to move himself, or thirdly he is a silly, juvenile incompetent and has no place in this Chamber.
   • He crumpled up the juvenile green and yellow paper wrappings and tossed them into a plastic sack.
   • Ally felt herself smiling, even though their entire conversation had been so utterly juvenile.
   • Just when we're sure that they can't get any sillier or more juvenile, they come along with a stunning new innovation that shows us what we're paying them to do.
   • I feel this need to show people we can do it on our own but I recognize how silly and destructive and completely juvenile this attitude is.
   • It's juvenile and plain silly, and I don't like it contextually as a roleplayer.
   • For a moment it crossed her mind that what she was doing was juvenile and silly, but she had made up her mind.
   • This business of spinning into outer space is just so juvenile and naive that one has to wonder why these booklets didn't burst into flames on the printing press.
   • This tour is excruciatingly banal and juvenile, lightened only by the silly antics of his friend Joe.
   • All of that may sound juvenile and silly, but the chaos really only lasts for 10 minutes of the 50-minute performance.
   • Asked about the motivation for the vandalism, he said it was simply a case of very juvenile, immature peer pressure.
   • It was a silly, juvenile thing to do and it ended with both of them standing there holding bits of the piece of paper - and both claiming phyrric victories.
   • As juvenile and immaturely sexist as this may seem, you will never imagine how useful this can be.
   • He probably thought that I was an immature and juvenile little child, which I can be, when I'm near Garret.
   • The movie isn't without its flaws, however, as some of the humour is rather juvenile, and some just plain stupid.
   • Regret is the type of emotion that makes you think of past times and think how stupid and juvenile you were because of the choices you made.
   • I know it sounds juvenile and stupid but I really wanted to see the look on Skinner's face.
   • The Earl of Tyrconnell was no better than King William's officers, King James was as juvenile and foolish as King William, and Irish national identity as a whole became the object of scorn.
   • Let me clarify: they aren't acting immature or juvenile; they're acting like young, inexperienced adults.

   Synonyms

   childish, immature, puerile, infantile, babyish
2. 1.2 Of or denoting a theatrical or film role representing a young person.
   青少年角色的
   the romantic juvenile lead

   扮演浪漫少年的主角。

   Example sentencesExamples

   • So you have the juvenile lead, who's always nice and happy and winsome, and that's the male and female juvenile lead.
   • I never had the shape for juvenile leads so I've always had to play character parts.
   • Rarely has a show dealt so honestly with the ageing of its juvenile leads, with Cory, Morgan, Shawn and Topanga seeming to grow up quicker on screen than they were in real life.
   • Michael Conrad is rapidly becoming the light juvenile lead of Oval House.
   • She didn't suffer fools gladly, which seemed to include all the juvenile actors she had to work with in TV.
   • Wendy Toye was born in London on 1 May 1917, and at the age of three and a half appeared on stage at the Albert Hall in London as a member of a juvenile dance troupe.
   • Over 3,000 boys have already been seen, and the musical's appetite for new talent will remain high throughout its run, with cast changes a legal requirement for the juvenile actors every six months.
   • Lydon was well known for playing the juvenile lead in a series in the early 1940s, and his work here tends to retain the flavour of that character.
   • He represented Sarsfields at juvenile and minor level, and was chosen as The Patrician College Sportsman of the Year for his achievements on the golf course.
   • The next day he received a letter from London saying his audition for the juvenile lead in a musical comedy had been successful.
   • Eventually, he got an acting job of 16 weeks in weekly rep, playing juvenile leads in 16 different plays - where he honed his technique.
3. 1.3 Relating to young birds or other animals.
   （与）幼鸟或幼兽（有关）的
   Example sentencesExamples

   • After that they may join a flock of other juvenile birds.
   • They stay nearby for 7 to 10 days and then flock with other juvenile birds.
   • In juvenile birds, females were much more philopatric than males as indicated by the ratio being much less than one for both Alberta and Saskatchewan in Figure 4.
   • We conducted focal animal observations on juvenile three-spot damselfish in both continuous and patch reef habitat in 1991 and 1997.
   • He has also acted as a foster parent to various animals, including a juvenile stork that was taken from its nest and later abandoned.
   • Actual juvenile mortality rates for large mammals are generally higher than indicated by life tables based on bone assemblages.
   • In juvenile birds and birds molting into adult plumage for the first time, the shield was typically a deep purple.
   • In lower vertebrates, such as fish and amphibians, the pronephros acts as the functional kidney in the immature juvenile stages, but the mesonephros is the functional kidney in the adult.
   • Juvenile plumage is seldom seen in Washington, although some birds in juvenile plumage can be seen in the eastern flyway.
   • Certainly juvenile animals are a common prey of large carnivores today, and it is no surprise that similar patterns should have played out in the past.
   • The juvenile captive birds bound for release are shipped to Mississippi after about a month, and they quickly learn to fit in with the refuge population.
   • Adult males seem to winter farther north than females and juvenile birds.
   • Siblicide is a cause of juvenile mortality, and so should select for greater investment in survival.
   • The second assumption is that juvenile recruitment into bird populations must operate at the same scale as mast production.
   • A few holes offer the only relief, and even these are inhabited by juvenile green morays.
   • At about four years of age young males form a juvenile group.
   • Migratory movements have been recorded in both juvenile and adult birds.
   • We used molecular markers to sex juvenile birds captured at the feeding stations in July or August and used plumage characteristics to sex all other birds.
   • We attributed the effect of predator exclusion primarily to juvenile green crabs and fish.
   • A juvenile green turtle was found with a plastic bag wound tightly around its right flipper, cutting off blood flow, aquarium curator Willie Maritz said yesterday.

1A young person.

1. 1.1Law A person below the age at which ordinary criminal prosecution is possible (18 in most countries).
   〔律〕未成年人（低于普通刑事诉讼年龄的人，大多数国家规定为18岁）
   Example sentencesExamples

   • But legal considerations plausibly have a great deal to do with increases in incarceration, capital punishment, and criminal prosecution of juveniles.
   • In my judgment, Parliament has clearly, in sections 39 and 49, drawn a distinction between juveniles appearing in youth courts and juveniles appearing in adult courts.
   • The second is that it is important that juveniles be held on remand in places where they mix with others of their own age.
   • However, after yesterday's verdict, Justice Malcolm Holdip said he had to defer sentencing to today because he was unable to find the proper sentencing for convicted juveniles.
   • While the age of juveniles in the criminal justice system will be raised from 17 to 18, the only other change will see significant new powers put into the hands of the police.
2. 1.2 An actor who plays juvenile roles.
   扮演青少年角色的演员
   Example sentencesExamples

   • Bill specialized in likeable but none-too-bright juveniles and young leads.
   • Just 18, she played her first lead role in the film: she had been a juvenile in her previous appearance.
   • But, now and then, a juvenile comes along who actually deserves to be called an 'actor'.
3. 1.3 A young bird or animal.
   幼鸟；幼兽
   Example sentencesExamples

   • The high disparity of young juveniles may seem surprising given the perception that embryos and larvae are typically more similar than adults.
   • Other studies of riparian breeding birds in which juveniles molt on the breeding grounds have not examined that possibility.
   • We found evidence indicating that increased movement rates may increase the risk of predation for adult birds but not juveniles.
   • Investigators have also observed newly independent juveniles preying on young of the same or related species.
   • Most adult electric eels will feed on smaller fish, while juveniles will prey mainly on smaller invertebrates.
   • Last season's leading juvenile was an impressive winner of the Breeders' Cup Juvenile at Belmont Park last year.