Social media can be a double-edged sword; it connects people but can also lead to misunderstandings.

社交媒体可能是一把双刃剑；它连接了人们，但也可能导致误解。

His intelligence is a double-edged sword, helping him in many areas but making him feel isolated.

他的聪明才智是一把双刃剑，帮助他在许多方面，但也让他感到孤独。

The new technology is a double-edged sword, as it can improve efficiency but may also lead to job losses.

这项新技术是一把双刃剑，因为它可以提高效率，但也可能导致失业。

Having too much money is a double-edged sword; it can bring comfort, but also invite troubles.

拥有太多钱是一把双刃剑；它可以带来安慰，但也可能招致麻烦。

Freedom of speech is a double-edged sword; while it promotes democracy, it can also spread harmful ideas.

言论自由是一把双刃剑；虽然它促进了民主，但也可能传播有害的思想。