1. To show or display assurance, self-belief, or certainty through words or actions
She demonstrated confidence during the job interview by maintaining eye contact and speaking clearly.
Ela demonstrou confiança durante a entrevista de emprego mantendo contato visual e falando com clareza.
2. To exhibit trust in one's abilities or in a particular outcome
The team demonstrated confidence in their strategy by executing it without hesitation.
O time demonstrou confiança em sua estratégia ao executá-la sem hesitação.