Even the most confident person might have a kink in their armor.
Даже у самого уверенного человека может быть брешь в защите.
Definitions
A weakness or vulnerability in someone or something that is otherwise strong, protected, or invulnerable. The phrase originates from medieval armor, where a 'kink' (or 'chink') would be a small gap or flaw that could be exploited.
