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

• With hot air heating system and high efficiency.
  采用无焰热风系统，单机生产效率高。
• China's economy is going up like a hot air balloon on a cold day.
  中国的经济就像冬天里的热气球一样上升。
• 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。
• 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。
• He talked a lot of hot air.
  他说了许多大话。
• A hot air balloon, shaped and sized to resemble the Space Shuttle, drifts over Ottawa.
  一个外形和尺寸十分像太空飞船的热气球漂浮在渥太华上空。
• His justification for the merger was just hot air
  他提出的合并理由只是空话连篇。
• 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。
• This work describes the construction and work principle of the hot air distributor for vertical pressure spraying dry tower.
  介绍用于立式压力喷雾干燥塔的热风分配器改造后的结构与工作原理。