They arranged a very interesting event to celebrate their parents' fortieth wedding anniversary.(子女們?yōu)楦改傅膶毷榧o(jì)念日策劃了一個有趣的活動。)

My office is on the fortieth floor.(我辦公室在第四十樓。)

It's very common for runners to have anxiety dreams about a race, whether it's their first or their fortieth.(這都是賽跑者共有的關(guān)于一場比賽焦慮的幻想，無論這是他們的第一場還是第四十場賽事。)

John and I celebrate our fortieth anniversary next month.(下個月，John和我將慶祝我們的結(jié)婚四十周年紀(jì)念日。)

Subject: Re: Forbes magazine - FORTIETH most powerful woman in the world?(主題：Re：《福布斯》——全球第四十名最具影響力的女性？)

The model represents his love for his wife, Pope explains, and he hopes to give it to her as a fortieth anniversary present in two months.(Pope向他說明，這模型代表了獄長對他妻子的愛，他希望能在兩個月后，將它作為他們結(jié)婚四十周年的禮物送給她。)

In the fortieth year of David's reign a search was made in the records, and capable men among the Hebronites were found at Jazer in Gilead.(大衛(wèi)作王第四十年，在基列的雅謝，從這族中尋得大能的勇士。)

Cousins even to the fortieth remove would flock thither to hear the will read.(稍有一點沾親的老表們也都來聽宣讀遺囑。你在這附近放牧是再合適不過的了。)

But now that his fortieth birthday had passed, he was down to this one male friend, sort of like a hotel lobby at two in the morning, where a lone guest sits bent low over a cup of coffee.(過了四十歲，男人中，就剩下這一個，像凌晨兩點的酒店大堂，偶爾有一個人坐在那里，低頭喝咖啡。)

Queen Elizabeth II is the fortieth monarch since William the Conqueror obtained the crown of England.(是威廉王朝的第40任君主。)