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。
• 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。
• 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？
• 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。
• 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。
• 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。
• 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。
• Heating device: Electric heater unit and hot air circling type to dehumidification.
  加热装置：电加热装置和热风循环进行除湿。
• 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。