﴿ يَٰٓأَهْلَ ٱلْكِتَٰبِ لِمَ تَلْبِسُونَ ٱلْحَقَّ بِٱلْبَٰطِلِ وَتَكْتُمُونَ ٱلْحَقَّ وَأَنتُمْ تَعْلَمُونَ ﴾

“O followers of earlier revelation! Why do you cloak the truth with falsehood and conceal the truth of which you are [so well] aware?”

Please check ayah 3:74 for complete tafsir.