I could see a thick layer of dust on the stairs.

我能看见楼梯上厚厚的一层灰尘。

《柯林斯英汉双解大词典》

I turn to dust.

我变成灰尘。

youdao

We'll become dust eventually, I guess.

我想，我们最终会成为尘埃。

youdao

President Kennedy once said: "I am certain that after the dust of centuries has passed over our cities, we,too,will be remembered not for our victories or defeats in battle or politics, but for our contribution to the human spirit."

VOA: special.2010.10.29

"We came up a little short this afternoon, but I think when the dust settles, the entire - everyone on our team can leave Vancouver with their heads up high."

VOA: standard.2010.02.26

It will be traded for everything in the lowest decimals of Satoshi long after I am dust.

FORBES: Bitcoin or Gold: Which is More Fiat-Proof?

As it was, I missed the death, I missed the body, I got the dust, and from these facts I tried to extrapolate a story, as writers will, but found myself, instead, in a kind of stasis.

NEWYORKER: Dead Man Laughing

"I have sections in here where I see the dust being kicked up by the wagons heading across the prairie, " O'Connor explains.

NPR: Mark O'Connor's Symphonic America