淡々と (translations)→ blithely calmly casually dully indifferently levelly matter-of-factly philosophically politely quietly
平然と (translations)→ coolly detachment imperturbably unconcerned unmoved
冷静に (translations)→ calm clearly critically dispassionately rational rationally reservedly silently soberly
はっきり (translations)→ actually baldly beautifully broad certain certainly clear consciously crystal clear declarative definite definitely distinctly do easily evidently exactly explicitly finally firm frankly great hard-edged honestly just must obvious outright perfectly precisely prominent properly quite radically really recognizably right specific stark straight sure vividly well
