Japanese phrase
おいくつですか？ o i ku tsu de su ka
Meaning
How old are you?
When to use it
Politely asks someone's age. It is common in everyday conversation when the relationship or setting calls for a respectful tone.
Example dialogue
失礼ですが、おいくつですか？ shitsu rei de su ga o i ku tsu de su ka
Excuse me, how old are you?
二十歳です。 ni jū sai de su
I am twenty years old.