hot air

名词 hot air:

1. air that has been heated and tends to rise
2. loud and confused and empty talk
   同义词：palaver, empty words, empty talk, rhetoric

1. That was just a lot of hot air what Mark said.
   马克所说的不过是一大堆空话。
2. A pipe, tube, or channel for conveying hot air, gas, steam, or smoke, as from a furnace or fireplace to a chimney.
   通气管一种用于运送热气、可燃气、水流或烟的导管、软管或管道，如从火炉或炉子传送到烟囱
3. A straw vote only show which way the hot air blow.
   测验民意的假投票只不过在表示法螺吹向何方而已。
4. His long speech was nothing but gas and hot air.
   他的长篇大论只是吹牛和空话。