loosen up
US /ˈluːsən ʌp/
UK /ˈluːsən ʌp/

1.
bersantai, mengendurkan diri
to relax, especially after being tense or nervous
:
•
You need to loosen up a bit before your presentation.
Kamu perlu bersantai sedikit sebelum presentasimu.
•
After a few drinks, he started to loosen up and enjoy the party.
Setelah beberapa minuman, dia mulai bersantai dan menikmati pesta.
2.
melonggarkan, mengendurkan
to make something less tight or rigid
:
•
Can you help me loosen up this knot?
Bisakah kamu membantuku melonggarkan simpul ini?
•
The screws need to be loosened up before you can remove the panel.
Sekrup perlu dilonggarkan sebelum Anda dapat melepas panel.