The day was bright, nor were there clouds above.
その日は天気晴朗,空には雲ひとつなかった
The skies abruptly lowered on us.
雲が急に垂れ込めてきた
The sky was heavy with dark clouds.
空は黒雲でどんよりしていた
The sun came out from behind a cloud.
太陽が雲の後ろから現れた
There's a world of difference (between ...).
(…の間には)雲泥の差がある
thick [dense, heavy] cloud
厚い雲
through the rift between the clouds
雲間から
thundercloud
[名]1 雷雲,積乱雲2 不穏[不吉]な様相
thunderhead
[名]《気象》入道雲,積乱雲
trail
[動]1 他〈物・足などを〉引きずる,引きずって行く;自〈衣服などが〉(…のあとを/…の上を)引きずる≪behind,after/across,along≫walk with a stick, ...