tighten your belt
US /ˈtaɪ.tən jʊər bɛlt/
UK /ˈtaɪ.tən jʊər bɛlt/

1.
apertar o cinto, economizar
to spend less money than you did before because you have less money
:
•
Due to the economic downturn, many families have to tighten their belts.
Devido à desaceleração econômica, muitas famílias precisam apertar o cinto.
•
If we want to afford that vacation, we'll have to tighten our belts for a few months.
Se quisermos pagar aquelas férias, teremos que apertar o cinto por alguns meses.