hypocrisy
n[U]
practice of misrepresenting one's real character, opinions, etc, esp by pretending to be more virtuous than one really is; insincerity 伪善; 虚伪.
Yes, and we must stop people walking on this floor until it's firm. It may be necessary to put up a notice saying Keep off. Another thing, we' ll have to drill a hole in the wall for the electric wires.