'Put to Shame' in the Bible

Because if I boasted to him anything about you, I have not been put to shame; but as we have spoken to you all things in truth, so also our boasting to Titus has been the truth;

lest haply, if Macedonians come with me and find you unprepared, we, that we say not ye, may be put to shame in this confidence.

For and if I should boast even somewhat more abundantly of our authority, which the Lord has given to us for building up and not for your overthrowing, I shall not be put to shame;