stand/hold firm | meaning of stand/hold firm in Longman Dictionary of Contemporary English | LDOCE

From Longman Dictionary of Contemporary Englishstand/hold firmstand/hold firmCHANGE YOUR MINDto not change your actions or opinionsstand/hold firm against  Jones is urging Christians to stand firm against abortion. → firmExamples from the Corpusfirm against• Christians have stood firm against a flood of unbelief but have failed to notice its more subtle effects.• On both occasions, Professor Jones stood firm against complaint and censorship.• The compromise was widely viewed as a victory for the president, who had stood firm against Republican demands.