bad blood
Proposed by a contributor, not yet supported by evidence.
A lasting feeling of hatred or anger between individuals or groups
Cảm giác hận thù hoặc giận dữ lâu dài giữa các cá nhân hoặc nhóm
Machine-translated — suggest a fix
Examples
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed in Wiktionary’s “English idioms” category (retrieved 2026-07-29); definition pending editorial review. Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-07-30; pending editor spot-check.
Common questions
What does “bad blood” mean?
A lasting feeling of hatred or anger between individuals or groups Literally: blood implying familial or deep-seated conflict
Is “bad blood” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.