1. His speech was filled with grandiloquence, but lacked genuine substance.
他的演讲充斥着夸张的言辞，但却缺乏真正的实质。

2. The politician's grandiloquence was intended to impress the audience, but it only came across as insincere.
政治家的夸大修辞意图给观众留下深刻印象，但却显得不真诚。