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。
• 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。
• Or maybe you're full of hot air.
  也许你被空气充慢了。
• 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。
• 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。
• Eco-efficient mosquito control system can stimulate the sweat of the humidity and temperature under the hot air.
  高效生态灭蚊系统提供能刺激排汗的体温下的湿气和热气流。
• 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。
• 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 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。
• 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。