Sunday morning, the sky cloudless, I and my father talked and laughed to go to jolly.

一个星期天早晨，天空万里无云，我和爸爸有说有笑地去菜市场买菜。

youdao

Today, the sky cloudless, the sun shining on the earth. My family came from the waves of cheers. Today is my mother's birthday.

今天，天空万里无云，太阳照耀着大地。从我家传来了一阵阵欢笑声。今天是我妈妈的生日。

youdao

The sun shone brightly in a cloudless sky.

太阳在无云的天空中明亮地照耀着。

《牛津词典》

But the sky was cloudless, and as the sun rose everyone settled down and some even nodded off, which Jake Early regretted, feeling that when the Union soldiers came they should find black folk not at their ease but smartly arrayed as a welcoming company of free men and women.

NPR: E.L. Doctorow on Sherman and 'The March'

Every star in the Milky Way glimmers with perfect clarity in the cloudless sky: diamonds flung across black velvet.

BBC: The Channel Islands�� surviving lore

The sky is still a perfect cloudless blue and the forecasters have dropped their previous prediction of rain by the weekend.

BBC: US crops tell story of future world food prices