◎ 刀山火海 dāoshān-huǒhǎi[seas of fire and a forest of knifes-an extremely dangerous place which is most difficult to get through] 比喻极困难和极危险的地方,也说“火海刀山” -----------------国语辞典:比喻非常危险和困难的地方。如:「为了正义公理,就算是刀山火海,我也绝不退缩。」也作「火海刀山」。英语 lit. mountains of daggers and seas of flames, fig. extreme danger (idiom)德语 wie die Hölle (Lage, Ort) 法语 montagne d'épées et mer de flammes, difficultés inimaginables
◎ 刀锯 dāojù[ancient implements of punishment;the sword and the saw] 古代刑具。亦指刑罚中刑用刀锯。——《汉书·刑法志》-----------------国语辞典:古代的刑具。刀以割,锯以刖。唐.韩愈〈送李愿归盘谷序〉:「车服不维,刀锯不加,理乱不知,黜陟不闻。」