Not a cloud in the sky:
“Clear Sky” or “Sunny”, usually means (something like) there are no longer any problems, or all the bad things have gone away.
当有人说 “not a cloud in the sky” 时，意思是 “天气很好”，因为天空湛蓝，万里无云。这个表达也可以用来比喻 “一切都好，此前面临的所有问题都不存在了或都被解决了”。
例句
There’s not a cloud in the sky today. It’s going to be a good day.
今天万里无云，会是个好天气。
Everything is sorted – there’s not a cloud in the sky. Our presentation is going to be fantastic!
一切都安排妥当、万事大吉了。我们的演示报告会非常精彩！
There’s not a cloud in the sky. Everything is perfect.
万事大吉！一切都很完美。
