Excepting the recurrence of the refrain, there is no good reason to suppose this a part of the preceding, though the scope is the same. It has always been placed separate. (Psa 43:1-5)
Judge--or, "vindicate" (Psa 10:18).
plead, &c.-- (Psa 35:1).
ungodly--neither in character or condition objects of God's favor (compare Psa 4:3).