'Sudden' in the Bible

"After I, Daniel, had seen the vision, I tried to understand it. All of a sudden, there was standing in front of me one who appeared to be valiant.

"All of a sudden, a hand touched me and lifted me upon my hands and knees.

However, the prince of the kingdom of Persia opposed me for 21 days. Then all of a sudden, Michael, one of the chief angels, came to assist me! I had been detained there near the kings of Persia.