In British English, the FO is the government department that deals with other countries — ambassadors, treaties, trouble abroad. People have long called it the Foreign Office, and newspapers still write the FO as if everyone knows which office that is.

In British English在英式英文裡，the FOthe FO is the government department that deals with other countries是負責處理和其他國家往來事務的政府部門——ambassadors, treaties, trouble abroad大使、條約、海外的麻煩事。People have long called it the Foreign Office大家長久以來都叫它 the Foreign Office（外交部），and newspapers still write the FO報紙現在寫 the FO 的時候，as if everyone knows which office that is還是當作大家都知道是指哪個部門。

The tidy official name has kept moving. For years it was the Foreign and Commonwealth Office (FCO), because it also covered the Commonwealth. In 2020 it was joined with the international-development department and became the FCDO. Though actually, a lot of British people, and most older writing, still say the Foreign Office or the FO. The short name stuck to the job, not to the latest plaque on the door.

The tidy official name has kept moving那個工整的正式名稱一直在變。For years it was the Foreign and Commonwealth Office (FCO)多年來它叫 the Foreign and Commonwealth Office（外交暨國協事務部，FCO），because it also covered the Commonwealth因為它也管大英國協的事。In 2020 it was joined with the international-development department2020年它和負責國際發展的部門合併，and became the FCDO變成 the FCDO。Though actually不過其實，a lot of British people, and most older writing, still say the Foreign Office or the FO很多英國人，還有大部分較舊的文字，還是說 the Foreign Office 或 the FO。The short name stuck to the job這個簡稱黏住的是這份工作，not to the latest plaque on the door不是門上最新的那塊招牌。

It is a British label. The United States has a State Department, not an FO. Taiwan has 外交部; we do not call ours the FO.

It is a British label這是英國特有的說法。The United States has a State Department, not an FO美國有 the State Department（國務院），不叫 FO。Taiwan has 外交部台灣有外交部；we do not call ours the FO我們不會把自己的外交部叫做 the FO。

Those same two letters can mean other things on a printed page (folio, a page). This entry is the government one.

Those same two letters can mean other things on a printed page同樣這兩個字母，在印刷的書頁上也可能是別的意思（folio, a pagefolio，頁碼）。This entry is the government one這個詞條講的是政府部門那個意思。