round out
US /raʊnd aʊt/
UK /raʊnd aʊt/

1.
completar, arredondar
to complete something in a satisfactory or appropriate way
:
•
The final chapter rounds out the story perfectly.
O capítulo final completa a história perfeitamente.
•
A good dessert will round out the meal.
Uma boa sobremesa completará a refeição.
2.
complementar, enriquecer
to make something more complete or well-developed by adding something to it
:
•
Adding a few more details will round out the report.
Adicionar mais alguns detalhes completará o relatório.
•
His experience in marketing will round out the team's skills.
Sua experiência em marketing complementará as habilidades da equipe.