irrevocably

Their friendship was irrevocably damaged after he discovered that she had lied about the money.

(Chinese) 在他发现她就钱的事撒了谎之后，他们的友谊遭到了不可挽回的破坏。

The landscape was irrevocably changed by the construction of the massive hydroelectric dam.

(Chinese) 由于大型水电站大坝的建设，这里的景观发生了不可逆转的变化。