That's a thorny ethical dilemma.

Meaning

That's a complex and difficult ethical problem with no easy solution.

Examples

• John: This proposal presents <b>a thorny ethical dilemma</b>.
• Alice: I agree. We need to carefully consider all aspects.
• John: The implications are complex; it is certainly <b>a thorny ethical dilemma</b>.
• Alice: Let's explore all potential solutions and their consequences.