1. To make something stronger, more resilient, or more robust towards the conclusion or finishing stage of something
The team decided to strengthen at the end by bringing in experienced players for the final matches.
O time decidiu fortalecer no final trazendo jogadores experientes para as últimas partidas.
2. To reinforce or improve the concluding section of a written work, argument, or project
The author chose to strengthen at the end by adding a powerful conclusion.
O autor escolheu fortalecer no final adicionando uma conclusão poderosa.