Foolishly juvenile behavior or character; immaturity.

幼稚愚蠢的稚气的行为或性格；

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Nelson's teacher was tired of his juvenile behavior and sent him to the principal for punishment.

纳尔逊的老师受够了他的幼稚行为，将他送给校长去处罚。

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For three years, not only number of relentless years devastated the juvenile heart, but also the merciless rules limited juvenile behavior and indifferent attitude results in junior's shadow.

三年，多少无情的岁月摧残了少年的心，多少无情的规章制度限制了少年的种种行为，多少冷漠的态度造就了少年的阴影。

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Johnstone though is wary of legislation that could go about this the wrong way, criminalizing stupid, juvenile behavior or creating regulations that will be hard to enforce.

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"There is still a stigma associated with this pastime, " says Stefaan de Keersmaeker, a 41-year-old information-technology expert from Melbourne, who founded The Older Gamers because he "got fed up with all the juvenile behavior" from younger players online.

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Moore gathers random examples of greedy behavior for instance, a juvenile detention center in Pennsylvania that is run for profit, in which sentences for minor offenses are mysteriously extended.

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