名詞 hot air:

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

1. That was just a lot of hot air what Mark said.
   馬克所說的不過是一大堆空話。
2. A pipe, tube, or channel for conveying hot air, gas, steam, or smoke, as from a furnace or fireplace to a chimney.
   通氣管一種用于運(yùn)送熱氣、可燃?xì)?、水流或煙的?dǎo)管、軟管或管道，如從火爐或爐子傳送到煙囪
3. A straw vote only show which way the hot air blow.
   測驗民意的假投票只不過在表示法螺吹向何方而已。
4. His long speech was nothing but gas and hot air.
   他的長篇大論只是吹牛和空話。