stratiť vieru, že uspejem

1."The first set was incredible; it was like a final; but after I got that set David seemed to lose heart a bit," said Corsie later. BNC

2. If you are among the 40pc of the population who show a susceptibility to allergy, don't lose heart! BNC

3. So many people give up because, after the elation of seeing the pounds fall off in the first few days, they lose heart when weight loss slows down. BNC