Korean phrase
~ 유효한가요? ~ yu hyo han ga yo
Meaning
Is ___ valid?
When to use it
This politely asks whether something is valid. It is often used to check whether a coupon or ticket can still be used.
Example dialogue
이 쿠폰이 유효한가요? i ku po ni yu hyo han ga yo
Is this coupon valid?
네, 오늘까지 유효해요. ne o neul kka ji yu hyo hae yo
Yes, it's valid through today.