underage
01
未成年, 年龄不够
not old enough to legally engage in certain activities such as drinking or getting a driver's license
例子
She was unable to attend the concert because she was underage and the event was restricted to those over 18.
她无法参加音乐会，因为她未成年，而该活动仅限于18岁以上的人参加。
02
未成年, 年轻依赖
dependent by virtue of youth
