no discutas

don't argue

→ no
phrase Uncommon #18,255
don't argue An informal singular command addressed to one person; formal or plural forms include “no discuta” and “no discutan.”
SP: No discutas con tu hermano.
EN: Don't argue with your brother.

¡Y no discutas conmigo!

And don't argue with me!

— Casi famosos (2000)

Por favor, no discutas con Tom.

Please don’t argue with Tom.

No discutas cuando estés enfadado ni comas cuando estés lleno.

Don't argue when you're angry, nor eat when you're full.

No discutas con un espejo.

Don't argue with a mirror.

No discutas.

Don't argue.

— El Perfecto Asesino (1994)

No discutas con él.

Don't argue with him.

Si no sabes, no discutas.

If you don't know, don't argue.

No discutas conmigo.

Don't argue with me.