忠贞: loyal and dependable...
兵: soldiers, a force, an army, weapons, arms, military, warlike...
寒冷: cold (climate), frigid, very cold...
变为: to change into...
齐心协力: to work with a common purpose (idiom); to make concerted efforts, to pull together, to work as one...
进化: evolution...
离婚: to divorce, divorced from (one's spouse)...
异口同声: different mouths, same voice, to speak in unison (idiom)...
高考: college entrance exam (especially as abbr. for ), (Tw) entrance exam for senior government service posts (abbr. for )...