non je ne sais pas = no, I don't know
"Je ne comprends pas" means "I do not understand" in English.
In French, you would say "Je ne comprends pas" to mean "I do not understand."
I believe you mean "je ne sais pas" which means "I don't know" No, I didn't mean "je ne sais pas," I meant "Je ne s'paul." The person phrased it specifically that way.
Je ne parle pas français (?) - I don't speak French
"je ne veux pas mourir" means "I do not want to die".
Je ne sais pas means 'I don't know'.
"Non, je ne suis pas," means "No, I am not." in English.
You can say "Je ne pense pas" in French to mean "I don't think so."
"I don't love you" in French is "Je ne t'aime pas" or "Je ne t'adore pas."
I do not love you - (it should be written 'je ne vous adore pas')
that doesn't make sense. maybe you mean : je ne SAIS pas., which means I do not know...
"Je ne l'aime pas" is French for "I don't like him/her."