Achilles heel
Meaning: a small but fatal weakness, a small problem in a person or system that can result in failure
Example: We’ve got to find his Achilles’ heel if we hope to defeat him. John appears to be a highly respected citizen, but I’m sure he has his Achilles’ heel.
Example: We’ve got to find his Achilles’ heel if we hope to defeat him. John appears to be a highly respected citizen, but I’m sure he has his Achilles’ heel.
