1. to lose motivation, ambition, or determination to achieve something
After the setback, he began to lose drive and stopped pursuing his goals.
Após o revés, ele começou a perder a motivação e parou de perseguir seus objetivos.
2. to experience a decrease in energy or momentum towards a task or project
The team started strong but began to lose drive in the second half of the season.
O time começou bem, mas começou a perder o ímpeto na segunda metade da temporada.