1. To maintain or prolong the concluding part of a performance, piece of music, or event
The orchestra worked hard to sustain the finale with powerful crescendos.
A orquestra trabalhou muito para sustentar o final com crescendos poderosos.
2. To continue supporting the momentum and energy through to the end
The team needed to sustain the finale of the game despite fatigue.
O time precisava sustentar o final do jogo apesar do cansaço.