Japanese phrase
何歳ですか？ nan sai de su ka
Meaning
How old are you?
When to use it
Asks someone about their age. It is a polite and direct question commonly used when meeting another child.
Example dialogue
はじめまして。何歳ですか？ ha ji me ma shi te nan sai de su ka
Nice to meet you. How old are you?
八歳です。 hachi sai de su
I am eight years old.