'Conceal' in the Bible

And if the officials hear that I have spoken with you, and they come to you and say to you, 'Please tell us what you said to the king. You must not conceal [it] from us so that we will not kill you. And what did the king say to you?'

"Declare among the nations and proclaim, and lift up a banner. Proclaim, you must not conceal [it]. Say, 'Babylon is captured, Bel is ashamed, Merodach is filled with terror, her idols are ashamed, her idols are filled with terror.