age out of something
逐渐年龄过大而不再适合某事物
口语·形容因超龄而退出
英文释义
to reach the age at which one is no longer eligible or required to participate in something
例句
He aged out of the youth soccer league when he turned 18.
典故来源
源自社会服务或教育领域，指因达到年龄上限而不再符合参与资格。