His hair was greying at the sides.

他的两鬓已渐渐斑白。

He had black hair, greying at the temples.

他的头发是黑色的，但两鬓已见斑白。

Clouds are greying the sky.

云层使天空灰暗。

Japan has seen especially rapid greying.

日本老龄化得特别快。

He gazed in the mirror at his greying locks.

他凝视着镜中自己日渐花白的头发，感慨岁月不待人。