boy's suit

例句：

1. 1. He bought a new boy's suit for his son's birthday party.
   他为儿子的生日派对买了一套新男孩套装。
2. 2. The boy's suit was the only thing he owned that wasn't torn or dirty.
   男孩的套装是他唯一一件没有破损或脏污的衣物。
3. 3. She wore her boy's suit to school today because she needed to get extra help from her teacher.
   她今天穿着男孩的套装去上学，因为她需要从老师那里得到额外的帮助。