magniloquence
n. 夸张的话;豪语;大言
例句
His style of magniloquence left us a bad impression.
他夸夸其谈的风格给我们留下了不好的印象。
Emotion and magniloquence throw a wrench into truth.
感情用事和夸夸其谈只能阻碍对真理的追求。