不偏斜

not leaning to one side / impartial / even-handed

no; not so / (bound form) not; un-

to lean / to slant / oblique / prejudiced / to deviate from average / to stray from the intended line / stubbornly / contrary to expectations

crooked / not upright / diverging from straight line / improper / dishonest

inclined / slanting / oblique / tilting