xốp phổi bò
Proposed by a contributor, not yet supported by evidence.
Also seen as: ruột ngay như ruột ngựa
Meaning · English
Something or someone is extremely fragile or vulnerable
Literally: foam of cow's lung
Examples
Cô ấy rất yếu, giống như xốp phổi bò.She is very weak, like foam of cow's lung.
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Discovered via Nam ngạn chích cẩm (Phạm Quang Sán, 1918; public domain, via vi.wikisource); retrieved 2026-08-01. Source: source ↗ Attested in Nam ngạn chích cẩm (Phạm Quang Sán, 1918). Definition drafted by AI (@cf/meta/llama-3.3-70b-instruct-fp8-fast) and auto-approved by rule on 2026-08-01; pending editor spot-check.
Common questions
What does “xốp phổi bò” mean?
Something or someone is extremely fragile or vulnerable Literally: foam of cow's lung
Is “xốp phổi bò” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.