tighten up

US /ˈtaɪ.tən ʌp/
UK /ˈtaɪ.tən ʌp/
"tighten up" picture
1.

apertar, reforçar

to make something tighter or more secure

:
Please tighten up the screws on this chair.
Por favor, aperte os parafusos desta cadeira.
The regulations need to be tightened up to prevent fraud.
Os regulamentos precisam ser apertados para prevenir fraudes.
2.

apertar, melhorar

to become more disciplined or efficient

:
The team needs to tighten up their defense.
A equipe precisa apertar sua defesa.
We need to tighten up our spending habits.
Precisamos apertar nossos hábitos de gastos.