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

• 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。
• 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。
• 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。
• The phenomenon of hot air recirculation is a universal question in designing and operating of direct air-cooled power units.
  热风回流现象是直接空冷机组的一个普遍性问题。
• Or maybe you're full of hot air.
  也许你被空气充慢了。
• With hot air heating system and high efficiency.
  采用无焰热风系统，单机生产效率高。
• A blast of hot air came from the furnace.
  股热风从火炉里吹出来。
• Hot air balloon shaped and sized to resemble the Space Shuttle.
  造型和大小都模仿航天飞机的热气球。
• 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。
• 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。