有前有钱
double-edged sworddouble-edged sword[edit] Etymology from the notion that even as one edge of a two-edged sword can be directed at an enemy or otherwise do your bidding, the opposite edge, pointing back as it does towards you, is at risk of doing you harm
tianyaguke1968
双刃剑 [shuāng rèn jiàn] rapier 以上来源于: 《新汉英大辞典》rapier ['reipi�0�5] n. 1. (窄长的)双刃剑 2. (决斗或剑术中用的)轻剑
