刀 剑 武力 战争英释
double-edged sword,双刃剑（指对双方皆不利的局面，或敌我不分的计谋）；双面刃
put to the sword,屠杀；杀死
two-edged sword,双刃剑
cross swords,v. 交锋；争论
sword and shield,剑与盾
at swords' points,剑拔弩张
sword of damocles,达摩克利斯之剑；临头的危险
draw the sword,◎拔剑
sword dance,挥剑而舞；穿行于刀尖间之舞
