In everyday talk, an airhead is someone who behaves in a stupid, empty way — as if there were air in their head instead of a brain. It is informal and unkind: you say it to laugh at a person, or to complain that they do not think. It often describes someone who seems vague, silly, or not paying attention, not someone who has made one careful mistake.

In everyday talk在日常對話裡, an airhead airhead is someone就是形容一個人 who behaves in a stupid, empty way表現得笨笨空空的 — as if there were air in their head就好像他們頭裡裝的是空氣 instead of a brain而不是腦子. It它 is informal and unkind是非正式又不客氣的: you你 say it說這個字 to laugh at a person是為了取笑一個人, or to complain或抱怨 that they do not think他們不用腦. It它 often describes常常形容 someone有人 who seems vague, silly, or not paying attention看起來恍神、傻氣或不專心, not someone而不是形容有人 who has made one careful mistake犯了一個不小心的錯誤.

It has long been used more at young women than at men, which is messy and unfair; some people still use it that way, and some people now use it of anyone. Do not use it of a classmate.

It它 has long been used more at young women很久以來比較常用在年輕女性身上 than at men而不是男性, which is messy and unfair這是不公平又混亂的; some people有些人 still use it that way還是這樣用, and some people而有些人 now use it of anyone現在對誰都這樣用. Do not use it不要用這個字 of a classmate去形容同學.

Though actually, the same spelling is also a rare military word for a piece of enemy land seized so planes can land there, built like beachhead. That is a different meaning; the one you are learning here is the rude, informal one.

Though actually不過其實, the same spelling同樣的拼法 is also也是 a rare military word一個罕見的軍事用語 for a piece of enemy land指被佔領的一塊敵方土地 seized so planes can land there好讓飛機可以降落, built like beachhead跟beachhead的構詞方式一樣. That那 is a different meaning是不同的意思; the one你在這裡學的 you are learning here is the rude, informal one是那個粗魯、非正式的意思.