John is such a windbag.

约翰是一个饶舌大王。

youdao

Shawn: Now that you've become the new TV weather girl, you've become such a windbag. (Shawn opens the door and is blown severely) That's the first forecast you've gotten right.

尚伟： 现在你当上新任天气女郎，就变啰嗦了。（尚伟开门，被大风吹得东歪西倒）刚才那是你第一个准确的预测。

youdao

Mr Miliband will have to decide whether to leave the rate unchanged and look like a windbag, or try to woo voters as the party of tax increases.

ECONOMIST: Britain's budget

Who cares, after all, if your windbag uncle believes he has beaten the market for 10 years running by a wide margins, despite the ridiculousness of such a claim?

FORBES: Retirement Investing vs. 'Performance Delusion'