the ground slipping from under one的用法和樣例：
例句
- He found the familiar place threatening.
他感到這熟悉的地方危機四伏。 - Corruptive officials levied heavy taxes on peasants, triggering countless uprisings.At the same time, the Ming Dynasty faced the danger of attacks from external forces.
吏治敗壞，農民負擔劇增，激發(fā)了大量農民起義，對外防衛也危機四伏。
