full of it 乱说，夸大其词的
You're so full of it!
你胡说！

full of hot air 说废话（比full of it语气要温和礼貌一些）
She is full of hot air.
她在说废话。

inflated 夸张的，言过其实的
He has an inflated sense of his own importance.
他自视过高。
He has an inflated ego.
他很骄傲，他把自己看得特别高。

overinflated 夸张的，夸大的，言过其实的
testimony （广告上用户的）证言，证词
Her claims are overinflated.
她的说法太夸张了.
Their testimonies are overinflated.
他们的证言太夸张了。

exaggerate 夸张，夸大
The product is really disgusting and I'm not exaggerating.
我不是夸张，这个产品真让人恶心。
This is the worst movie I've ever seen, and I'm not exaggerating.
这是我看过最差的一部电影，我真不是夸张。
I'm sure she exaggerates her products.
我确定她过于夸大她的产品了。

exaggerated 夸张的，夸大的，言过其实的
He spoke with an exaggerated New York accent.
他的纽约口音很夸张。

exaggerated和副词的常用搭配
highly exaggerated 非常夸张
vastly exaggerated 非常夸张
grossly exaggerated 极其夸张
wildly exaggerated 极其夸张