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。
• There were full of wind or full of hot air.
  那儿充满了风和热空气。
• 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？
• Or maybe you're full of hot air.
  也许你被空气充慢了。
• In Africa, people can watch wild animals from hot air balloons.
  在非洲，人们可以从热气球上看野生动物。
• Wind is a current of air caused by a vacuum caused by hot air rising
  风是由于热空气上升产生真空导致的一种气流运动。
• 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。
• 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。
• You have risen to where you are, due to a large quantity of hot air.
  由于大量的热气，你升到了你现在的位置。
• Atmospheric displacement The hot air condensed the steam.
  空气置换转化为蒸汽水蒸气凝结成了水珠。