What is the meaning of "bi'Krov"?
Radak #1: It is like Kerav (war); when they fight me.
Radak #2: It is simply when they come close [Malbim - to conspire against me, to harm me covertly].
What is "Le'echol Es Besari"?
Radak: To kill me.
Malbim: They seek their own benefit, e.g. thieves or plunderers.
What is the meaning of "Tzarai v'Oyvai Li"?
Radak: Due to me, to make me stumble and kill me.
Malbim: They do not seek their own benefit - they are haters who seek vengeance 1 .
It seems that vengeance is not precise; they merely want to harm me. (PF)
Why does it say "Chashlu v'Nafalu"?
Malbim: I did not do anything to them, for I do not know who they are. They themselves stumbled in their counsel and fell.