十七歲用英語可以說成：
1.?senventeen years old.
2.?seventeen-year-old.
3.?at the age of 17.
4.17.
相關例句：
1.Jenny is seventeen years old.
珍妮17歲了。
2.He was only seventeen when he joined the army.
他參軍時不過17歲。
3.Nora thought he was seventeen years old
諾拉覺得他有17歲。
4.I lost my virginity to a man when I was seventeen.
當我十七歲時，我失去了我的童貞，給了壹個男人。
5.When he was seventeen years old, he went to secondary school.
當他十七歲的時候，他上了中學。
6.My grandmother got married at the age of seventeen.
我的祖母十七歲就結婚了。
7.My oldest son is seventeen.
我兒子十七歲了。