n.坚固；坚牢；坚定
In the early days of the war, the problem of India's independence became a touchstone for checking the ally's degree of firmness. 战争初期出现的印度独立问题成为试探英美同盟坚固程度的试金石。
His firmness on his belief supported him in difficulties. 困境中，他坚定的信仰支撑着他。
