cloudless
There is no cloud in the sky, Chinese idiom, Pinyin is w à NL à w ú y ú n, which means the sky is clear without a cloud; it describes the weather is sunny. From the romance of the Western chamber.
The origin of Idioms
The second discount of the third volume of the romance of the Western chamber by Wang Shifu in Yuan Dynasty: "the blue sky is cloudless, and the body and mind of the exhausted guest are empty."
Idiom usage
He Liulong, a thousand trees do not let birds fly. There is no wind from the south. Feng Menglong's Yu Shi Ming Yan of Ming Dynasty (Volume 33) and Yang Wanli's waiting for the moon to drink in the heat of Song Dynasty (Volume 33): "there are no clouds in ten thousand li, the sky looks like water, and a new mirror looks like frost." The second sentence describes the night scene of niuzhu, showing a realm of blue sea, blue sky and cloudless. Appreciation of Tang Poetry
cloudless
Soldiers can't help but generals - bīng bù yóu jiàng
indulge in malpractices and obtain private advantages - wǔ bì yíng sī
speak vehemently with a distinctly moral tone - jī áng kāng kǎi