sword ·phrase (IDIOM)
Definition: something that has both a positive and a negative effect Level: C2
如此聪明是一把双刃剑——他发现很难与普通人交谈。
Being that intelligent is ___a ___double-edged ___sword - he finds it difficult to talk to ordinary people.
正如你可能看到的，技术进步是一把双刃剑。
As you might see, technological advancements are ___a ___double-edged ___sword.
社交媒体可能是一把双刃剑；它连接人们，但也传播错误信息。
Social media can be ___a ___double-edged ___sword; it connects people but also spreads misinformation.