clouding over

Lydia: You must have slept like a log. It's clouding over again. It looks as if we were going to have another downpour.

莉迪亚：你一定睡得很熟。现在又乌云密布了，看来像又要下倾盆大雨啦。

The sky was clouding over to the east and one after another the stars he knew were gone.

东边的天空云朵愈堆愈多，而他所认识的星星也一个接一个地都消失了。

Because of these two men, what has been called the Arab Spring is in the process of clouding over and becoming more like an Arab hell.

因为这两个人，所谓的阿拉伯的春天开始阴云密布，变得更像阿拉伯的地狱了。

It was clouding over outside and the lake was darkening.

外面阴云四布，湖上阴暗下来。

becoming dark or darker as from waning light or clouding over.

变得黑暗或者更黑暗，就像逐渐减弱的光亮或者被云朵遮住一样。

It was clouding over and we thought it was going to rain.

乌云正在聚集，我们想快要下雨了。