There are new uses of words coming in and old uses dying out.

词语的新用法在涌现，旧用法在消亡。

《柯林斯英汉双解大词典》

Some kinds were even in danger of dying out.

有些种类甚至面临灭绝的危险。

youdao

The elk in the park were in danger of dying out.

公园里的麋鹿有灭绝的危险。

youdao

The project also works to prevent languages from dying out by identifying the most threatened areas where languages are disappearing.

VOA: special.2009.12.02

Now, for a long time in American scholarship and in American classrooms one of the deep mythologies about this whole story of the era of the American Civil War in the Old South is that the Old South's plantation economy was dying out.

在很长的一段时间中,美国学术界和美国课堂,对于这个时代内战前的南方历史,存有一个疑点,就是当时南方的种植园经济正在逐渐衰退

耶鲁公开课 - 美国内战与重建课程节选

It doesn't sound right when other men are out there dying, so they raised taxes during World War One.

在有人战死沙场的时候,发战争财是件龌龊的事情，所以他们在第一次世界大战时这么做了。

耶鲁公开课 - 金融市场课程节选

Our little brothers and sisters, parents and grandparents are dying out of hunger and diseases in dungeons.

BBC: Is space exploration a waste of money?

First, the generations of rural whites who sought to defend the remnants of white supremacy are dying out.

FORBES: Boehner Decides he Doesn't Want to Talk to the President After All

To make matters worse, even if the catch as a whole is stable, certain species are clearly dying out.

ECONOMIST: The Mekong river