unshakable
adj. 不可动摇的；坚定不移的
例句
He had an unshakable premonition that he would die.
他有一种强烈的预感：他就要死了。
《柯林斯英汉双解大词典》
She had an unshakable faith in human goodness and natural honesty.
她对人性的善良和天性的诚实有着不可动摇的信心。
There was a glow on his face, wrinkled by a life time of suffering, that inspired one with a feeling of unshakable optimism.
他那饱经风霜的多皱的脸上发着光彩，使人产生一种乐观的感觉。
《新英汉大辞典》
