Second, I didn't understand a fiftieth of what he was talking about.

第二，他说的这么多话我基本一句听不懂。

youdao

A fiftieth anniversary exhibition will honor the architect and his work.

五十周年展是为了纪念这位建筑师和他的作品。

youdao

Dawn’s produce 92 millinewtons of thrust, something like a fiftieth of the amount in a smallish firework rocket.

“黎明”号产生的推进力仅为0.092牛顿，是小型烟花火箭推进力的五十分之一。

youdao

A fiftieth anniversary exhibition will honor the architect and his work.

VOA: special.2009.04.06

But in Monroeville and around the country, fans of "To Kill a Mockingbird" are celebrating its fiftieth anniversary.

VOA: special.2010.07.08

But first,a report on a town marking the one hundred fiftieth anniversary of an anti-slavery rebellion.

VOA: special.2009.11.06

This fiftieth trading week of 2011 comes to a close with investors still pondering whether or not Europe has resolved its debt crisis.

FORBES: Weekly Wrap

He was photographed as he chatted with Amin and an Israeli diplomat at a reception held at the Soviet Embassy commemorating the fiftieth anniversary of the death of Lenin.

FORBES: Social Security Benefits: A Personal Story, Speech at Institutional Capitol Investing Forum. (September 1, 1999)

Brown and Mr. Smith both teach a classroom of third graders who score at the fiftieth percentile on math and reading tests on the first day of school, in September.

NEWYORKER: Most Likely to Succeed