grandiloquent

市长在开幕式上浮夸的致辞并没有安抚忧心忡忡的居民。

The mayor's ___grandiloquent address at the opening ceremony did little to reassure worried residents.

评论家将这部小说斥为披着哲学外衣的浮夸散文。

The critic dismissed the novel as ___grandiloquent prose dressed up as philosophy.

他用如此浮夸的语言介绍他的初创公司，以至于投资人开始怀疑。

He introduced his startup with such ___grandiloquent language that investors grew suspicious.