◆an overgrown child
(immature adult)不成熟的成年人;长不大的孩子
a bunch of overgrown kids一帮大孩子
Daphne Farlow, at 45, still looked and spoke like an overgrown schoolgirl.达芙妮•法洛已45岁, 外貌言谈都还像一个稚气未脱的女学生。
He's an overgrown boy with infantile humour to match.他是一个长不大的男孩, 带着幼稚的幽默。