Examples of use of sworn enemies
1. Rivals on the field, the London clubs are now sworn enemies in the boardroom.
2. He put Israelis and Egyptians, sworn enemies, together in secret deals to ship arms.
3. I once joked that on most political matters of note, we were sworn enemies.
4. The initiative is bringing sworn enemies together – the Islamists and Israel.
5. Though sworn enemies now, Berezovsky and Abramovich used to be business partners.