lose heart
US /luːz hɑːrt/
UK /luːz hɑːrt/

1.
perdere la speranza, scoraggiarsi
to become discouraged or to give up hope
:
•
Don't lose heart, you're almost there!
Non perdere la speranza, ci sei quasi!
•
After several rejections, she started to lose heart.
Dopo diversi rifiuti, ha iniziato a perdere la speranza.