古老: ancient, old, age-old...
核武器: nuclear weapon...
巧妙: ingenious, clever, ingenuity, artifice...
时常: often, frequently...
大意: careless...
待遇: treatment, pay, salary, status, rank...
绝望: to despair, to give up all hope, desperate, desperation...
旁边: lateral, side, to the side, beside...
山路: mountain road...
造纸术: papermaking technology...