双刃剑的英文：
double-edged sword
two-edged sword
"At the same time, it must be noted that economic globalization is a double-edge sword"
同时也必须看到,经济全球化是一把"双刃剑"。
adj. 加倍的；两倍的；双人的；双重的；两面派的
adv. 双重地；两倍地；成双地
n. 两倍；加倍；
v.（使）加倍
to double steal
双盗垒
double steering
双转向
The child birthrate in that area has doubled.
该地区的婴儿出生率已经增加了一倍。
adj. 有……边的，有刃的；锋利的，磨尖的，磨刃的；微醉的
The number of incoming edges is equal to the number of outgoing edges
进入的线数等于离去的线数。
pipe edges sewing machine
滚边缝纫机
Sloth turneth the edge of wit
懒惰会磨去才智的锋芒
n. 刀，剑
Their swords clashed together.
他们的剑互击而发铿锵之声。
The clash of swords was next heard.
接着传来了刀剑磕碰声。
a protective case for a knife or sword.
刀或剑上的保护性外壳。