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"Ni" is a conjunction which is often translated as "nor", and "no te conviene" is a phrase which is often translated as "it's not advisable for you". Learn more about the difference between "ni" and "no te conviene" below.
ni(
nee
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
1. (copulative)
a. nor
No quiero ir al cine ni al museo esta noche.I don't want to go to the movies nor the museum tonight.
no te conviene(
noh
teh
kohm
-
byeh
-
neh
)A phrase is a group of words commonly used together (e.g., once upon a time).
a. it's not advisable for you
No te conviene salir si tienes fiebre.It's not advisable for you to go out if you're running a temperature.
b. it's not a good idea for you
No te conviene renunciar al trabajo en medio de esta recesión.It's not a good idea for you to quit your job in the middle of a recession.
a. it doesn't suit you
¿Está bien esta fecha? Si no te conviene, dímelo.Is this date OK with you? If it doesn't suit you, just let me know.