1)
What is the meaning of "b'Yadcha Itosai"?
1.
Rashi: The times that pass over me, they are via Your mouth and decrees. Malbim - You decree if they will be good or bad.
2.
Radak: The times that they plot to trap me and ambush me - they are in Your hand, and not in their hand.
2)
Who are "Oyvai" and "Rodfai"?
1.
Malbim: "Oyvai" are Zifim, and "Rodfai" are Sha'ul and his men.
