他几岁了英语怎么说两种

"他几岁了" 的英语可以说成 "How old is he?" 或 "What is his age?"。

"How old is he?" 来自于英语中祈问年龄的常用句式，其中 "how" 是副词，意思是 "多少"，"old" 是形容词，意思是 "年龄高的"。

例句：

How old are you? (你几岁?)
How old is your sister? (你姐姐几岁?)

"What is his age?" 来自于英语中祈问年龄的另一种常用句式，其中 "what" 是代词，意思是 "什么"，"age" 是名词，意思是 "年龄"。

例句：

What is your age? (你几岁?)
What is the age of your brother? (你哥哥几岁?)