hot air

英 [ˌhɒt ˈeə(r)]

美 [ˌhɑːt ˈer]

n.  夸夸其谈; 大话; 空话

Collins.1

牛津词典

noun

• 夸夸其谈；大话；空话
  claims, promises or statements that sound impressive but have no real meaning or truth

柯林斯词典

• N-UNCOUNT 空话;大话;夸夸其谈
  If you say that someone's claims or promises are justhot air, you are criticizing them because they are made mainly to impress people and have no real value or meaning.
  1. His justification for the merger was just hot air...
     他提出的合并理由只是空话连篇。
  2. I'd come to the conclusion by then that he was all hot air.
     我那时已得出结论，他只会夸夸其谈。

英英释义

noun

• loud and confused and empty talk
  1. mere rhetoric
  Synonym:palaverempty wordsempty talkrhetoric
• air that has been heated and tends to rise

双语例句

• He talked a lot of hot air.
  他说了许多大话。
• Eco-efficient mosquito control system can stimulate the sweat of the humidity and temperature under the hot air.
  高效生态灭蚊系统提供能刺激排汗的体温下的湿气和热气流。
• Or maybe you're full of hot air.
  也许你被空气充慢了。
• Then the cool air over the water moves in and takes the place of the hot air.
  然后水面的冷空气就移动过来，代替了热空气的位置。
• He blew a lot of hot air about health and nutrition.
  他夸夸其谈地说了好多关于健康和营养的事。
• If you had a hot air balloon, where would you fly?
  如果你有一个热气球，你会去哪里？
• Set up the drying system of hot air circulation, drying quickly and effectively.
  超声波清洗机设置热风循环干燥系统，干燥迅速有效。
• For now, we have hot air not what you want when the topic for debate is CO2 emissions.
  目前，我们听到的是满嘴大话（hotair）若辩论的主题是二氧化碳排放，这可不是我们想要的。
• Circulate hot air by convection, as of certain ovens.
  使热空气通过对流来循环，就像一个烤箱。
• The hot air permitted higher speeds before the critical Mach number was exceeded
  热空气可使之在超过临界马赫数之前达到更快的速度。