King James Version (KJV)
Though wickedness be sweet in his mouth, though he hide it under his tongue;
Modern English
Though evil is sweet in his mouth, though he hides it under his tongue,
Hebrew
אִם תַּמְתִּ֣יק בְּ֭פִיו רָעָ֑ה יַכְחִידֶ֥נָּה תַ֝חַ֗ת לְשׁוֹנֽוֹ׃
ʾim tamtiyq bpiyv raʿah yakḥiydenah taḥat lshvonvo