The reality is, success is sweet, but it isn't all sunshine and roses.

现实情况是，成功是甜蜜的，但并不是充满阳光和玫瑰花。

youdao

But all sunshine without shade, all pleasure without pain, it is not life at all.

但只有阳光没有阴影，只有欢乐没有痛苦，那不是真正的人生。

youdao

I was seeing it all in glorious technicolor: mountains, valleys, lakes, summer sunshine.

我所看见的一切--大山、山谷、湖泊和夏日的阳光全是绚丽多彩的。

《柯林斯英汉双解大词典》

Risk-based health insurance pricing is not all sunshine and rainbows.

FORBES: ObamaCare

Basically the black clouds are just blocking out all the sunshine and raining on the parade, if you will, because the earnings themselves have really demonstrated, I think, far more than what people anticipated.

FORBES: 5 Stocks to Capture Great Dividends

All moonlight might be sunshine, bounced off a hall of celestial mirrors.

NEWYORKER: Moon Man