夸口的英文：
bluster
gasconade
talk tall

参考例句：

He bragged that he was the highest scorer
他夸口他是最高的得分手。

The soldiers cloaked their fear with joking and bravado.
士兵们藉开玩笑和夸口来掩饰其恐惧。

Rom.2:23 You who boast in the law, do you by transgression of the law dishonor God?
罗二23你指著律法夸口，自己却犯律法玷辱神么？

bluster是什么意思：
v. 叫嚷；威吓；狂吹；夸口
n. 叫嚷；吓唬；狂风声；大话

But that is pure bluster.
然而这纯粹只是夸夸其谈而已。

The wind is blustering.
风在呼啸狂吹。

Loud, arrogant speech; bluster.
虚张声势高声、傲慢的讲话；大声的威吓

gasconade是什么意思：
n. 夸口，吹牛
v. 夸口，吹牛
talk是什么意思：
n. 交谈；谈话，会谈；闲话，空谈；讲话；说话的方式
v. 交谈；有说话的能力；商讨；说；说闲话；提供情况

Talk Billingsgate
说脏话

They will have a talk at meals.
他们将在进餐时讨论。

That is a talking crow
那是一只会说话的乌鸦。