Will he seek his enemies?!
Radak: Even if you will seek them, you will not find them, for they will be so lost.
Malbim: Yes - unlike until now, that they sought you, to hit you 1 .
Malbim did not explain why he will seek his enemies. Perhaps he will no longer fear them, and wants to rebuke them!
Who are "Anshei Matzusecha"?
Radak: This is [those who quarrel with you], like "Hen l'Riv u'Matzah" (58:4).
Malbim (11-12): They quarrel against you to the point that they strike you with their fists. Riv is verbal; Matzah is with hitting.
Why does it say "ch'Ayin uch'Efes"?
Malbim: At the time of war they are like nothing, and after the war, they are like a matter that Afas (ceased to exist).
Who are "Anshei Milchamtecha"?
Malbim: They seek to kill you.