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 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."
"I don't love you" in French is "Je ne t'aime pas" or "Je ne t'adore pas."