a chink in someone's armor
idiomPart ofarmor
a chink in someone's armor — idiom
1. a small weakness in a person, plan, or argument that otherwise looks strong, whi
1.idiom
Definition
a small weakness in a person, plan, or argument that otherwise looks strong, which an opponent can use to attack or defeat them.
Example
The lawyer found a chink in the witness's armor when she contradicted her earlier statement.
Senator Daniels' fear of public speaking was the only chink in his armor during the campaign.