喜上眉梢的英文：
1.be radiant with joy
2.happiness appears in one's face

参考例句：

I extend my best wishes to all participants for a productive, profitable and enjoyable fair.
本人谨祝各参展商硕果累累、获益匪浅，喜上眉梢。

radiant是什么意思：
adj. 辐射的；容光焕发的；光芒四射的
n. 光点

The orient sun is so radiant.
正在升起的太阳如此光辉灿烂。

Out on the bay the morning is radiant.
海湾里的早晨阳光灿烂。

The concepts of radiant emittance and of irradiance are complementary.
辐射的发射强度和辐照度是两个互补的概念。

joy是什么意思：
n. 高兴，愉快，喜悦；令人高兴的人或事，乐趣
v. （因…）高兴，喜悦

Her voice thrilled with joy.
她高兴得声音颤抖。

After joy comes sadness
乐极生悲

No joy without annoy
喜中有忧

happiness是什么意思：
n. 幸福；高兴

Health is happiness
健康就是幸福

Content is happiness
知足常乐

Then Zara was happy.
然后扎拉就高兴起来了。