To repent is to be truly sorry for our actions, and turn from doing the wrong again. If we continue in the sin, then we have not truly repented of the sin.

Joh 8:11  She said, “No one, Lord.” And Jesus said to her, “Neither do I condemn you; go and sin no more.”

Act 17:30  Truly, these times of ignorance God overlooked, but now commands all men everywhere to repent,

Act 2:38  Then Peter said to them, “Repent, and let every one of you be baptized in the name of Jesus Christ for the remission of sins; and you shall receive the gift of the Holy Spirit.