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。

John and I celebrate our fortieth anniversary next month.

下个月，John和我将庆祝我们的结婚四十周年纪念日。

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向他说明，这模型代表了狱长对他妻子的爱，他希望能在两个月后，将它作为他们结婚四十周年的礼物送给她。

June amazed us on its fortieth anniversary: if we do not find someone to defeat us again, we defeat ourselves with our own hands so as not to forget!

这样的四十周年纪念让六月也惊叹我们：如果找不到谁再次击败我们的话，我们用自己的手打败自己，以免忘记！

They arranged a very interesting event to celebrate their parents' fortieth wedding anniversary.

子女们为父母的宝石婚纪念日策划了一个有趣的活动。