中文(简体)
Chinese Phrase for Asking Someone's Age: "你多大了？"
"你多大了？" (Nǐ duō dà le?) means "How old are you?" and is used to ask someone's age in Chinese. It's a casual form used with people you know well or children; for elders, "请问您多大年纪？" (the polite form) is used instead. Typical replies use "我...岁了" (I'm ... years old).
Examples
你多大了？ (Nǐ duō dà le?)
"How old are you?" (a common way to ask someone's age)
我十岁了。 (Wǒ shí suì le.)
"I'm ten years old."
请问您多大年纪？ (Qǐngwèn nín duō dà niánjì?)
The polite form, used with elders