- His Achilles' heel was his pride.
- Achilles was vulnerable only in his heel.
- Retrocalcaneal bursitis is a common cause of posterior heel pain.It tends to coexist with Achilles tendinitis, plantar fasciitis and various rheumatic diseases.
- He would have made a good pilot but his drinking habit was his Achilles’ heel.
- I think Frank's vanity is his Achilles' heel.