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

• 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。
• His justification for the merger was just hot air
  他提出的合并理由只是空话连篇。
• 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。
• 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。
• 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。
• 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。
• Drying process is the duration of hot air flowing through material layer, where heat and quality is transmitted.
  干燥过程是热气流穿过物料层，定然成热量与质量的传递的过和。
• 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。
• 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。