花好月圆的英文：
[Literal Meaning]
flower/good/moon/round
blooming flowers and full moon

[解释]
美好圆满。多用于祝贺人新婚。

[Explanation]
perfect conjugal bliss

[例子]
在这个花好月圆的时刻，让我们一起祝愿这对新人幸福美满。

[Example]
At this blissful moment, let's wish the new couple happy.

Similar works are Beautiful Flowers and Full Moon, Purple Bamboo Melody and The Moon Is High.
类似的乐曲还有《花好月圆》、《紫竹调》、《月儿高》。