It was, he said later, one of the blackest days of his political career.

后来他说，那一天是他政治生涯中最糟糕的日子之一。

《柯林斯英汉双解大词典》

A lie which is half a truth is ever the blackest of lies.

真假参半的谎言最险恶。

《新英汉大辞典》

It was the biggest and blackest and blackest he had ever seen.

这是他有生以来见过的最大、最黑的马。

youdao

The nineteenth-century English writer Anthony Trollope called Pittsburgh the blackest city he ever saw.

VOA: special.2009.07.13

Then I began investigating. I worked my way through the rocks and brush until I found myself gazing into the biggest and blackest hole I had ever seen, out of which the bats seemed literally to boil .

VOA: special.2009.12.07

The world will never know the complete truth about what happened during Europe's blackest years.

ECONOMIST: Nazi gold

Bernie, who marketed himself as the ultimate white swan, molted into the blackest swan of all, bar none.

FORBES: Managing Money

Why, then, are so many politicians so quick to paint the blackest picture?

FORBES: Magazine Article