低龄 dīlíng younger; underage Origin Definitions Defs Strokes Stroke Words Sentences Sents 低龄化 dīlínghuà to become younger To become lower in average age; refers to a trend where a specific group or phenomenon begins to involve younger people than before.低龄犯罪 dīlíngfànzuì juvenile crime crime committed by young people; juvenile delinquency