1.
a dark day; a dull sky; a gray rainy afternoon; gray clouds; the sky was leaden and thick.
阴天；阴暗的天空；阴暗的、下着雨的下午；阴云；天空阴沉。
2.
Uh-oh, I hate cloudy weather.
喔，我烦死阴天了。
3.
It's cloudy. It's cool.
今天是阴天。而且很凉快。
4.
It's been cloudy for two weeks.
两星期以来一直是阴天
5.
Cloudy in the morning, overcast in the afternoon.
上午多云，下午阴天。
6.
It's cloudy now, but I am sure it's going to be hot.
现在是阴天，但我肯定天气会转热的。
7.
the languor of the sky
沉闷 [阴暗] 的天空
8.
"It's been gloomy to-day, hasn't it?"
“今天很阴冷，是吧？
9.
It's very close and thundery today.
今天天气阴沉有雷.
10.
It was a gray, chilly day.
那天天色阴沉，凉气逼人。
11.
It's a brown wet ugly fall.
时值秋天，天气阴湿，惨淡。
12.
It is dull today; we shall have rain.
今天天阴，将会下雨。
13.
A week of rainy, depressing weather.
一星期多雨，阴沉的天气
14.
The sky was grey and the clouds were heavy and low.
天空阴沉，乌云低矮。
15.
We observed that it had turned cloudy.
我们注意到天已转阴。
16.
It has been cloudy and drizzly for days on end.
近几天一直阴雨连绵。
17.
That was a somber January day.
那是一个阴沉的正月天。
18.
Heaven signifies night and day, cold and heat, times and seasons.
天者，阴阳、寒暑、时制也；