1. To remain informed about current information or developments in a particular field or topic
I try to keep up-to-date with the latest technology news.
Tento manter-me atualizado com as últimas notícias de tecnologia.
2. To maintain something in its current or most recent version or condition
We need to keep up-to-date our software systems.
Precisamos manter nossos sistemas de software atualizados.
3. To stay current with payments, obligations, or schedules
She keeps up-to-date with all her bills and payments.
Ela se mantém em dia com todas as suas contas e pagamentos.