岿然不动 steadfastly stand on one's ground; remain firm; remain unmoved; standing erect and unshakable 尽管敌人炮火猛烈, 我们的部队岿然不动。 despite the enemy's heavy gunfire, our troops stood steadyfast and unmoved
岿然独存 standing alone immutably; have stood many tests of vicissitudes and be the only one preserved