It was the fortieth anniversary of the death of the composer.

那是那个作曲家逝世40周年纪念日。

《柯林斯英汉双解大词典》

Her office is on the fortieth floor of the new building.

她的办公室在新大楼第四十层。

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And she rewarded the fortieth Golden Bell Awards for the best entertainment show's host in 2005.

她在2005年获得了第四十届金钟奖获的最佳娱乐节目主持人。

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Jim Lovell talked about the current situation at NASA during an event to mark the fortieth anniversary of Apollo Thirteen.

VOA: special.2010.04.28

Like last night, we walked all the way down to, from a hundred and twelfth down to fortieth,

就像昨晚，我们一直走，从第112号走到了第40号。

在中央公园溜达 - SpeakingMax英语口语达人

Now another way is through accent and to exemplify this let's turn to some classical music the music of Mozart so here we have Mozart's Fortieth Symphony his famous g Minor Symphony and we're going to go ahead and start to play it.

另一条途径是通过重音,我们到古典音乐中来找个例子,莫扎特的音乐,我们这里要放一段莫扎特的第四十号交响曲,非常著名的g小调交响曲,那么我们就开始播放吧

耶鲁公开课 - 聆听音乐课程节选

On Feb. 5 a projected 145 million viewers will watch the Pittsburgh Steelers and the Seattle Seahawks square off in the fortieth Super Bowl.

FORBES: Magazine Article

Organization, in collaboration with the EEAA, Ministry of State for the Environment, of a special day for Biosphere Reserves, in view of celebrating the fortieth anniversary.

UNESCO: Post-Conflict and Post-Disaster Responses

In the fortieth-anniversary edition of Capitalism and Freedom (2002) he stated that he was equally opposed to right-to-work laws and to yellow-dog contracts, which make employment conditional on not belonging to a union.

FORBES: Why Milton Friedman Opposed Right-To-Work