왜요 is the polite form of '왜' (why), used to politely ask someone the reason or cause of something.
Nuances
- simple reason inquiry
- light surprise or doubt
- politeness without pressure
When to use
daily conversation, workplace question, talking with friends
In context
왜요 is attached at the end of a question sentence to politely ask the reason behind someone's words or actions. It replaces the informal '왜?' with a polite form.
