ten years old意思是：10歲大，用法上要跟在系動詞be后面做句子的表語，例如The boy is ten years old.ten-year-old意思是說：10歲大的，用法上要放在名詞前面做這個名詞的定語，例如He is a ten-year-old boy.

ten-year-old相關例句

I have a ten-year-old in school.

我有個十歲的孩子在上學。

The child she is looking after is a ten-year-old boy.

她照看的那個孩子是個10歲的小男孩。

One day, ten-year-old Alice asked Carroll to tell her a new story.

一天，十歲的愛麗絲讓卡羅爾給她講一個新故事。

ten years old相關例句

He is ten years old.

他十歲了。

It was so challenging for me because I was only ten years old.

這對我來說太有挑戰性了，當時我只有十歲。

When you are ten years old, you may ask me about it, and I will tell you.

當你十歲的時候，你可以問我這件事，我會告訴你的。