1. to increase or intensify one's excitement, energy, or passion about something
We need to amp up enthusiasm for the new project to get the team motivated.
Precisamos aumentar o entusiasmo pelo novo projeto para motivar a equipe.
2. to make something more exciting or energetic
The manager decided to amp up enthusiasm by organizing a team-building event.
O gerente decidiu aumentar o entusiasmo organizando um evento de integração da equipe.