A double-edged sword or situation denotes something that has both positive and negative consequences.

दोधारी तलवार

English Usage: "The new policy is a double-edged sword; it could either boost the economy or lead to inflation."

Hindi Usage: "नई नीति एक दोधारी तलवार है; यह या तो अर्थव्यवस्था को बढ़ावा दे सकती है या महंगाई का कारण बन सकती है।"

Having two edges; often used to describe a blade or tool.

दो धार वाला

English Usage: "The two-edged knife was perfect for both peeling and cutting."

Hindi Usage: "दो धार वाला चाकू छीलने और काटने के लिए आदर्श था।"