他的错误决定可能会毁掉我们多年的努力成果。

His poor decision could ___unmake years of our hard work.

国王因腐败行为被议会废黜。

The parliament decided to ___depose the king due to his corrupt acts.

那次丑闻几乎毁了这位政治家的职业生涯。

The scandal almost ___ruined the politician's career.