hot air
noun/ˌhɒt ˈeə(r)/
/ˌhɑːt ˈer/
[uncountable] (informal)- claims, promises or statements that sound impressive but have no real meaning or truth
夸夸其谈；大话；空话 - He talks a lot of hot air.
他说了很多废话。 - Don’t worry about what they’re saying—it’s all hot air.
别担心他们说什么——这都是空话。 - The whole debate was just so much hot air.
整个辩论都是空谈。
- He talks a lot of hot air.