two-edged
剑桥词典
two-edged adjective (BLADE)
having two sharp edges for cutting
雙刃的
a two-edged sword 雙刃劍
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 .
（話語）可作兩種不同解釋的，有雙重含義的，雙關的
"That was amazingly generous of you!" "Well, that was a two-edged comment - are you saying I'm usually mean ?" “你這麽慷慨，真令人喫驚！”“這話可有兩層意思——你是說我通常很吝嗇嗎？”
比較
double-edged 返回 two-edged