You've experienced a shower thought or an aha moment, a sudden burst of inspiration.

你经历了一个突发奇想或者一个顿悟时刻，一个突然迸发的灵感。

When I came out and felt the rain, I thought showers of blessing, but actually no, tears from God, tears at the decision we've just made.

我走出来时感到下雨了，我想到了恩雨大降，但事实上不是如此，上帝对我们的决定流下了眼泪。