【如日方中】〖rú rì fng zhng〗[at the peak of one's power or prestige]

如数家珍成语诗，

日不我与汉英译。

方正贤良凝寰宇，

中流砥柱大同世。

好像太阳正在天顶。比喻事物正发展到十分兴盛的阶段。Like sun is at zenith. Metaphorical things are developing to very prosperous stage.