firm up

US /fɜːrm ʌp/
UK /fɜːrm ʌp/
"firm up" picture
1.

memperjelas, memastikan

to make something more definite or certain

:
We need to firm up the details of the contract.
Kita perlu memperjelas detail kontrak.
Can you firm up your plans for the weekend?
Bisakah kamu memastikan rencanamu untuk akhir pekan?
2.

mengeras, menguat

to make something physically stronger or more solid

:
The concrete needs time to firm up before we can build on it.
Beton membutuhkan waktu untuk mengeras sebelum kita bisa membangun di atasnya.
The jelly will firm up in the refrigerator.
Jeli akan mengeras di lemari es.