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

• 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。
• 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。
• There were full of wind or full of hot air.
  那儿充满了风和热空气。
• His justification for the merger was just hot air
  他提出的合并理由只是空话连篇。
• A blast of hot air came from the furnace.
  股热风从火炉里吹出来。
• With hot air heating system and high efficiency.
  采用无焰热风系统，单机生产效率高。
• Hot air balloons have burners to keep the air hot.
  热气球利用装着的燃烧器保持球内气体的热度。
• 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。
• He talked a lot of hot air.
  他说了许多大话。