stick to one's guns

Verb

 * 1)  To persist in faithfully attending to cannons while under fire.
 * 2)  To maintain one’s position or viewpoint when faced with opposition.
 * 1)  To maintain one’s position or viewpoint when faced with opposition.

Translations

 * Finnish: pitää pintansa, pysyä kannassaan
 * French: camper sur ses positions
 * Italian: tenere duro
 * Polish: obstawać przy swoim, obstać przy swoim
 * Spanish: seguir erre que erre
 * Swedish: stå på sig