1. To increase the scope, scale, or intensity of work or resources devoted to achieving a goal or completing a task
The company decided to expand efforts to reach new markets.
A empresa decidiu ampliar esforços para alcançar novos mercados.
2. To allocate more time, energy, or personnel to an ongoing initiative or project
We need to expand efforts in research and development.
Precisamos ampliar esforços em pesquisa e desenvolvimento.