Spanish phrase
De ninguna manera.
Meaning
Absolutely not.
When to use it
It expresses a strong, direct refusal to a request. Used to reject offers or permissions in informal contexts, sounding blunt and inappropriate with superiors.
Example dialogue
¿Puedo copiar tu tarea?
Can I copy your homework?
De ninguna manera, tienes que hacerla tú.
Absolutely not, you have to do it yourself.