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A headwind is a wind that blows towards you when you are moving — into your face, against your direction. It slows you down and makes you work harder. Cyclists, runners, sailors, and pilots talk about it a lot. The opposite is a , which pushes you from behind. People also stretch the word: a company can "face headwinds" when things in the world hold progress back. That extra use is common in news. Though actually, if you are only walking to the shop, most people will not bother with headwind; they will just say the wind is against you. The core meaning is still real wind in your way.
逆風（迎面吹來、會拖慢你的風；新聞裡也可比喻阻力）
組成From Middle English *hedwind, from Old English hēafodwind, equivalent to head + wind. Cognate with Old Norse höfuðvindr. Head means the front you are facing; the wind comes at that front.
原始詞典資料4 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
headwindnoun/ˈhɛdˌwɪnd/
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natural-sciencesnauticalphysical-sciencesA wind that blows directly against the course of a vehicle, like an aircraft, train, or ship.
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A strong force that impedes or reverses progress.
- "Domestic economic activity has been gaining traction in spite of formidable headwinds from external developments," the Reserve Bank of India (RBI) said in its monthly bulletin.
- At the same time, Faludi, who is working on a new book about the headwinds feminism is facing, suggested that the movement itself has grown sectarian and insular.
headwindverb/ˈhɛdˌwɪnd/
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To blow directly against the course of a vehicle, like an aircraft, train, or ship.
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To impede or reverse progress.
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。