orotund talk.

• 夸夸其谈

orotund talk.的用法和样例：

例句

1. Don't take any notice of David, he is all talk and no action.
   别理戴维，他只会夸夸其谈。
2. Sentimentality and empty talk can only hamper our pursuit of trueth.
   感情用事和夸夸其谈只能阻碍对真理的追求。