King James Version (KJV)
For {they are} impudent children and stiffhearted. I do send thee unto them; and thou shalt say unto them, Thus saith the Lord GOD. {impudent: Heb. hard of face}
Modern English
The children are impudent and stiff-hearted. I am sending you to them, and you shall tell them, ‘Thus says the Lord Yahweh.’
Hebrew
וְהַבָּנִ֗ים קְשֵׁ֤י פָנִים֙ וְחִזְקֵי־לֵ֔ב אֲנִ֛י שׁוֹלֵ֥חַ אוֹתְךָ֖ אֲלֵיהֶ֑ם וְאָמַרְתָּ֣ אֲלֵיהֶ֔ם כֹּ֥ה אָמַ֖ר אֲדֹנָ֥י יְהֹוִֽה׃
vhabaniym qshey paniym vḥizqey-leb ʾaniy shvoleḥa ʾvotka ʾaleyhem vʾamarta ʾaleyhem koh ʾamar ʾadonay yhovih