1. 名詞
   成年人
   成人
   (指已長大的)大人
   老大不小
   /此名詞複數為"grown-ups"/
   

   同義字詞
   adult
   

2. 形容詞
   成年人的
   成人的
   (指已長大)大人的
   老大不小的
   /此形容詞必接名詞/
   

   同義字詞
   adult,mature
   

例句

1. He also has a grown-up son.
2. Grown-up for her age, a bit wild.
3. You'll need a grown-up to play with.
4. She was 46 with 3 grown-up children.
5. Be a grown-up , as God is a grown-up.
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