盾 - shield, escutcheon, pretext

shield; buckler; escutcheon

backing; support; backer; supporter; patron; sponsor

contradiction; inconsistency

mutually contradictory

contradictio in adjecto; contradiction between an adjective and the noun it modifies (wooden iron, hot ice, etc.)

oxymoron

contradiction in terms

to use as a pretext; to use as an excuse; to use as grounds (for); to use to one's advantage

unable to stay still; unable to contain one's feelings; unable to restrain oneself

self-contradiction

inconsistent data

law of contradiction