He retired in 1970, on his fiftieth birthday.

他在1970年50岁生日时退休。

He was stricken by a heart attack on his fiftieth birthday.

他在五十岁生日那天心脏病发作。

The fiftieth World Environment Day was on June 5th, 2021.

2021年6月5日是第五十个世界环境日。

Today is my fiftieth birthday, but I look like a person of eighty-five.

今天是我的五十岁生日，但我看起来像一个八十五岁的人。

2009 marks the fiftieth anniversary of Hawaii's statehood.

2009年是夏威宜加入美国成为第五十个州的五十周年之际。

It doesn't matter tomorrow if they come in first or fiftieth.

他们明天得第一名还是第五十名都不重要。

We were at a friend's fiftieth birthday party in Mexico.

我们去墨西哥参加朋友的50岁生日聚会。

A golden wedding is the fiftieth anniversary of a marriage.

金婚是结婚五十周年纪念日。

This new method was brought into existence in the fiftieth.

这一新方法出现于五十年代。

This week marks the fiftieth anniversary of the Peace Corps.

本周是和平队成立五十周年。

This year marks the fiftieth anniversary of the seaway's opening.

今年是圣劳伦斯航道开通的五十周年。

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。

I am dancing with my father at my parents' fiftieth wedding anniversary.

在父母五十周年结婚纪念日那天我与父亲跳舞了。

Tomorrow it will be the fiftieth anniversary of the old couple's wedding.

明天是这对老夫妇结婚50周年纪念日。

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。

Berlin in 1929 held a public celebration on Einstein's fiftieth birthday.

柏林在1929年爱因斯坦第五十岁生日时举办了一个公开庆祝会。

s fiftieth birthday, and Jim had two plane tickets to Hawaii in his pocket.

其实，事情是这样的：当天是卡罗尔的50岁生日，而吉姆的口袋里有两张去夏威夷的机票。

Grandpa had given the pair of swans to Grandma on their fiftieth anniversary.

他们结婚五十周年时爷爷送给奶奶了一对天鹅。

I'd visited him three times — on my tenth birthday, on his fiftieth, and when Ma died.

我去监狱里探望过他三回——我十岁生日一次，老爸五十岁生日一次，还有妈妈过世的时候。

For my friend's husband passed away two years ago, just short of their fiftieth wedding anniversary.

这位朋友的丈夫在两年前去世了，就在他们50周年结婚纪念日前不久。

The last one was added in 1959 when Hawaii became the fiftieth state of the United States of America.

最后一颗星是在1959年夏威夷成为美国第五十个州时加上去的。

And if you are considering a jump, whether it is your first or fiftieth, New Zealand is the place to do it.

当你在考虑进行一次跳伞时，无论这是你的第一次还是第50次，新西兰都是你应该去的地方。

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。

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

“黎明”号的离子发动机产生0.092牛顿的推力，就像一个较小烟火火箭推动力的五十分之一。

The fiftieth year shall be a jubilee for you; do not sow and do not reap what grows of itself or harvest the untended vines.

第五十年要作为你们的禧年。这年不可耕种，地中自长的，不可收割；没有修理的葡萄树，也不可摘取葡萄。