'Away' in the Bible

For this reason we ought to pay the more earnest heed to the things which we have heard, for fear we should drift away from them.

and have realized how good the word of God is and how mighty are the powers of the coming Age, and then fell away--

In that case Christ would have needed to suffer many times, from the creation of the world onwards; but as a matter of fact He has appeared once for all, at the Close of the Ages, in order to do away with sin by the sacrifice of Himself.

For it is impossible for the blood of bulls and goats to take away sins.

He then adds, "I have come to do Thy will." He does away with the first in order to establish the second.