1. To complete something in a dramatic, impressive, or stylish manner; to end with a grand gesture or with excellence
She finished the performance with a flourish, receiving a standing ovation.
Ela terminou a apresentação com entusiasmo, recebendo uma ovação de pé.
2. To conclude an activity or project in a memorable and impressive way
He finished his career with a flourish by winning the championship.
Ele terminou sua carreira com elegância ao ganhar o campeonato.