Idioms describing hypocritical people

Hide the knife in a smile, force a smile, and pretend to smile even if you don't smile.

I don't keep my word, but I don't keep my word.

A smiling tiger smiles obsequiously, threatens his shoulders, deceives his heart, deceives his heart and is treacherous.

Have it both ways is a two-way street, but he is obsessed with this situation.

Call a deer a horse, pretend to be stupid, selfish, and righteous.

Lies, lies, false vinegar, lies, lies.

Self-deception and insincere rhetoric make colors bluff.