形容詞 double-edged:

1. capable of being interpreted in two usually contradictory ways

dou.ble-edged

adj.（形容詞）
Having two cutting edges:
雙刃的：
例句：
a double-edged blade.
一個(gè)雙刃刀片

Effective or capable of being interpreted in two ways:
兩種結(jié)果的：兩重結(jié)果的或可作雙重解釋的：
例句：
double-edged praise.
雙重意義的表?yè)P(yáng)

Having a dual purpose:
雙重目的的：
例句：
combat troops with a double-edged mission.
要完成具有雙重目的之任務(wù)的戰(zhàn)斗部隊(duì)