It was the worst day of my life.

这是我生命中最悲催的一天。

youdao

You know what the worst day of my life was?

你知道我一生中最糟糕的一天是哪一天吗？

youdao

It was the worst day of Jordan's young life.

对于年轻的乔丹来说这一天简直遭透了。

youdao

"Worst. The worst was also the funnest, 'cause I got up early Thanksgiving day and we went to the Burwick Marathon, but it's a nine-mile road race.

VOA: special.2009.11.23

It's a commuter's worst nightmare, a normal day turned upside down by an explosion.

VOA: standard.2010.03.30

General Wardak explained that, on election day,the domestic and international forces are preparing "for the worst possible scenario" and will have four-tiers of security in place.

VOA: standard.2009.08.16

Fridays are the worst day to travel, with 200 million more delay hours than Mondays.

FORBES: Escape the Cost and Lost Time of Traffic Congestion

The negative news pummeled Wall Street on Monday, its worst day of the year.

NPR: Asia Stocks Sink On Global Growth Worries

The worst day of the year for the SPX was June 1, when it lost 2.46% (interesting figure).

FORBES: It Was A Very Good Year For Stocks