ADJ [usually ADJ n]不可动摇的;坚定的 If you describe someone's beliefs as unshakeable, you are emphasizing that they are so strong that they cannot be destroyed or altered. 不可动摇的;坚定的 [emphasis]
William has acquired an unshakeable belief in himself.
威廉对自己有绝对的信心。
She had an unshakeable faith in human goodness and natural honesty.