two-edged
剑桥词典
two-edged adjective (BLADE)
having two sharp edges for cutting
双刃的
a two-edged sword 双刃剑
two-edged adjective (TWO MEANINGS)
A two-edged remark can be understood in two very different ways , one of them positive and one of them negative .
（话语）可作两种不同解释的，有双重含义的，双关的
"That was amazingly generous of you!" "Well, that was a two-edged comment - are you saying I'm usually mean ?" “你这么慷慨，真令人吃惊！”“这话可有两层意思——你是说我通常很吝啬吗？”
比较
double-edged 返回 two-edged