hold/ stand firm
US /hoʊld fɜːrm / stænd fɜːrm/
UK /hoʊld fɜːrm / stænd fɜːrm/
1.
to maintain one's position or opinion steadfastly, especially in the face of opposition or difficulty
:
•
Despite the pressure, the company decided to hold firm on its pricing strategy.
•
The general ordered his troops to stand firm against the enemy's attack.