0 to increase or improve something -- aumentare, incrementare
1 something that makes you feel more confident and happy, or that helps something to increase or improve -- spinta
Passing my test was a boost to my confidence. Superare l’esame ha dato una spinta alla mia fiducia in me stessa.
2 to expand; to make greater; to improve -- aumentare, gonfiare
We’ve succeeding in boosting the sales figures
Winning the game helped to boost his confidence.
3 a piece of help, encouragement etc -- spinta
We can complete it step by step however long the road is and it can't be completed however short the road is if you don't even mark your footprint.
Possiamo completarlo passo dopo passo, indipendentemente dalla lunghezza della strada, e non può essere completato, per quanto breve sia la strada, se non segni nemmeno la tua impronta.