ju·ve·nile /ˈdʒuːvənaɪl $ -nəl, -naɪl/ adjectiveadj 1 [only before noun] lawSCL relating to young people who are not yet adults 少年的 a juvenile court 少年法院[法庭]
► see thesaurus at young 2 STUPID/NOT SENSIBLEsilly and typical of a child rather than an adult – used to show disapproval 幼稚的,年幼无知的〔含贬义〕 SYN childish a very juvenile sense of humour 很幼稚的幽默感
—juvenile noun [countableC]