Cindy教口語，“年少無知的”英語怎么說？

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Juvenile
 

juvenile /?d?u:v?na?l/

n. 青少年

adj. 青少年的，幼稚的，年少無知的
 

It refers to a child or young person who is not yet old enough to be regarded as an adult; or refers to someone's behaviour which is silly or childish.

它指的是還沒有到成人年齡的孩子或年輕人;或指某人的行為舉止過于愚蠢、幼稚。
 

Nowadays, juvenile crime is increasing at a terrifying rate.

現(xiàn)如今，青少年犯罪正在以驚人的速度增長。
 

To be honest, their behavior was juvenile.

說實(shí)話，他們的行為很幼稚。