你多大英文怎么说两种

"你多大" 可以用两种英语表达:

"How old are you?"
"What is your age?"

"How old are you?" 来源于英语中对于问年龄的常用语，意思是 "你多大岁数？"。 例如:

"How old are you?" "I'm twenty-five years old."

"What is your age?" 来源于英语中对于询问年龄的常用语，意思是 "你的年龄是多少？"。 例如:

"What is your age?" "My age is 35."