"Bevel" is a word in ENGLISH

To deviate or incline from an angle of 90¡, as a surface;
to slant.

To cut to a bevel angle; to slope the edge or surface of.

An instrument consisting of two rules or arms, jointed
together at one end, and opening to any angle, for adjusting the
surfaces of work to the same or a given inclination; -- called also a
bevel square.

Any angle other than a right angle; the angle which one
surface makes with another when they are not at right angles; the slant
or inclination of such surface; as, to give a bevel to the edge of a
table or a stone slab; the bevel of a piece of timber.

Having the slant of a bevel; slanting.

Hence: Morally distorted; not upright.