'Surely' in the Bible

When Ehud departed, Eglon’s servants came. And when they saw that the doors of the upper room were locked, they said, “He is only relieving himself in the cool room.”

She said, “I will certainly go with you; nevertheless, the journey that you are about to take will not be for your honor and glory, because the Lord will sell Sisera into the hand of a woman.” Then Deborah got up and went with Barak to Kedesh.

The Lord answered him, “I will certainly be with you, and you will strike down the Midianites as [if they were only] one man.”

So Manoah said to his wife, “We will certainly die, because we have seen God.”

Samson said to them, “If this is the way you act, be certain that I will take revenge on you, and [only] after that I will stop.”

So they said to him, “No, we will [only] bind you securely and place you into their hands; but we certainly will not kill you.” So they bound him with two new ropes and brought him up from the rock [of Etam].

So the men of Israel turned in the battle, and Benjamin began to strike and kill about thirty men of Israel, for they said, “Certainly they are defeated before us as in the first battle!”

Then the sons of Israel said, “Which one from all the tribes of Israel did not come up in the assembly to the Lord?” For they had taken a great oath concerning him who did not come up to the Lord at Mizpah, saying, “He shall certainly be put to death.”