-고 나니(까)
go nani(kka)
Grammar · 1 sense
After, and then, and so
Examples
요리를 하고 나니까 주방이 매우 더러워졌어요.
After cooking, the kitchen became very dirty.
오랫동안 무언가를 하고 나니 팔이 조금 아프네요.
After doing something for a long time, my arms hurt a bit.
When you'd hear it
This pattern is common in conversational Korean, including casual speech and polite everyday speech. It often appears when someone reports what they noticed or what happened after finishing an action, as in conversations and personal accounts.
What learners get wrong
Unlike the more neutral -고 나서, -고 나니까 often highlights a newly noticed result or changed situation after the action. The form may end in either 나니 or 나니까, with 나니까 especially common in speech.
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