two-edged
adjective UK uk/ˌtuːˈedʒd/ us/ˌtuːˈedʒd/
(BLADE)
双刃的
having two sharp edges for cutting
a two-edged sword 双刃剑
(TWO MEANINGS)
（话语）可作两种不同解释的，有双重含义的，双关的
A two-edged remark can be understood in two very different ways, one of them positive and one of them negative.
"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？”
Compare: double-edged