King James Version (KJV)
He shall suck the poison of asps: the viper's tongue shall slay him.
Modern English
He will suck the poison of cobras; the tongue of a viper will kill him.
Hebrew
רֹ֣אשׁ פְּ֭תָנִים יִינָ֑ק תַּ֝הַרְגֵ֗הוּ לְשׁ֣וֹן אֶפְעֶֽה׃
roʾsh ptaniym yiynaq tahargehv lshvon ʾepʿeh