một mất mười ngờ
Proposed by a contributor, not yet supported by evidence.
Meaning · English
To be suspicious of everything after one bad experience
Literally: one loss, ten doubts
Where it’s used:
Used
Toàn quốc & hải ngoại · Vietnam-wide & diaspora
Examples
Sau khi bị lừa, anh ấy luôn nghĩ 'một mất mười ngờ'After being cheated, he always thinks 'one loss, ten doubts'
AI-drafted example auto-approved by rule (illustrative, not a corpus attestation)
Sources & notes
Listed on Vietnamese Wikiquote “Thành ngữ Việt Nam” (CC BY-SA 4.0, retrieved 2026-07-31); 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 “một mất mười ngờ” mean?
To be suspicious of everything after one bad experience Literally: one loss, ten doubts
Is “một mất mười ngờ” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.