[VERB 动词]（小孩）长得穿不下（衣服） If a child outgrows a piece of clothing, they grow bigger, so that it no longer fits them.
[V n]
[V-ed]
She outgrew her clothes so rapidly that Patsy was always having to buy new ones.
她长得太快，衣服很快便穿不下了，帕齐只好经常给她买新衣服。
...outgrown baby clothes.
长大了穿不下的宝宝装
2
[VERB 动词]因长大而放弃（以前的行为或想法） If you outgrow a particular way of behaving or thinking, you change and become more mature, so that you no longer behave or think in that way.
[V n]
The girl may or may not outgrow her interest in fashion.
这个女孩对时尚的兴趣可能会随着年龄的增长而消失，也可能不会。
Oxford
out·grow/ˌaʊtˈɡrəʊ; NAmEˌaʊtˈɡroʊ/verb(out·grew/ˌaʊtˈɡruː; NAmEˌaʊtˈɡruː/out·grown/ˌaʊtˈɡrəʊn; NAmEˌaʊtˈɡroʊn/)1outgrowsth to grow too big to be able to wear or fit into sth 长得穿不下（衣服）；增长得容不进（某地）SYN
grow out of
◆She's already outgrown her school uniform.她已经长得连校服都不能穿了。◆The company has outgrown its offices.公司发展得办公室都不够用了。2outgrowsb to grow taller, larger or more quickly than another person 比…长得高（或大、快）◆He's already outgrown his older brother.他已长得比他哥哥还高。3outgrowsth to stop doing sth or lose interest in sth as you become older 因长大而放弃；年增志移SYN
grow out of
◆He's outgrown his passion for rock music.随着年龄的增长，他已对摇滚乐失去了热情。outgrowoutgrowsoutgrewoutgrowingoutgrownout·grow/ˌaʊtˈɡrəʊ; NAmEˌaʊtˈɡroʊ/out·grew/ˌaʊtˈɡruː; NAmEˌaʊtˈɡruː/out·grown/ˌaʊtˈɡrəʊn; NAmEˌaʊtˈɡroʊn/
1to grow too big for somethingSYN grow out of: They outgrow their clothes so quickly. Harry outgrew his cot when he was about two.2to no longer do or enjoy something that you used to do, because you have grown older and changed: Most children eventually outgrow a tendency toward travel sickness.3if a business outgrows a building, it begins to have too many people or too much work to fit into the building: His furniture-making business soon outgrew his garage.4to grow or increase faster than someone or something else: a population outgrowing its resources