Kill with a Borrowed Sword 借刀杀人

探源 Origin

英文：During the Spring and Autumn Period, there were three fearless warriors in Qi by the name of Gongsun Jie, Tian Kaijiang and Gu Yezi. They were very arrogant because of the accomplishments on the battlefield and even showed disrespect towards the king of Qi, Jing Gong. So when Jing Gong planed to remove them to avoid any future troubles, the prime minister, Yan Ying suggested killing the three warriors with two peaches. Two peaches were to be awarded to the two of them who deserved it the most. Gongsun Jie and Tian Kaijiang thought they were deserved and took one peach each, while Gu Yezi angrily pulled his sword and challenged the other two to a duel. At last Gongsun Jie and Tian Kaijing felt ashamed of arguing fiercely just for two peaches and then committed suicide with their swords. Having watched this, Gu Yezi killed himself the same way. Thus Yan Ying was able to remove three potential threats to the country of Qi without lifting a finger.

中文：春秋时期齐国有三位无敌勇士，名叫公孙接、田开疆、古冶子。他们恃功傲慢，甚至连齐景公都不放在眼里。所以当景公计划除掉他们、以绝后患的时候，齐相晏婴提出了“二桃杀三士”的建议。两只桃子将被赏赐给其中功劳最大的两个人。公孙接、田开疆认为他们的功劳最大就各拿走了一只桃子；而古冶子生气地拔出剑做决斗状。最后公孙接和田开疆为他们因区区两只桃而争得不可开交感到十分羞愧，便挥剑自刎了。目睹这一切后古冶子也用同样的方式自杀了。于是晏婴不费吹灰之力就铲除了齐国的三个隐患。

词汇 Vocabularies

traitor: 叛徒，背叛者

arrogant: 傲慢的，自负的；与proud的区别是arrogant为贬义词，而proud为中性词

duel: 决斗，斗争；challenge sb. to a duel意思是向某人要求决斗

commit suicide: 自杀；类似的说法还有self-murder, kill oneself

without lifting a finger：不费吹灰之力；如：get sth. without lifting a finger（唾手可得），reap the spoils of victory without lifting a finger（坐收渔利）