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。
• 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。
• 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。
• 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。
• 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。
• When it comes to global warming, the US and China lead the world in producing hot air.
  在提到全球变暖问题时，美国和中国是全球最大的“热空气”制造国。
• 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。
• 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。
• 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。
• 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。