The word that goes with the country Azerbaijan, and it does three jobs. As a noun for a person: an Azerbaijani is someone from Azerbaijan, or a member of the Azerbaijani people (many of whom live in northern Iran, not in the country at all).

The wordAzerbaijani這個字 that goes with the country Azerbaijan是跟亞塞拜然這個國家相關的字，and而且 it does three jobs它有三種用法。As a noun for a person當作指人的名詞時：an Azerbaijani is someone from AzerbaijanAzerbaijani 指來自亞塞拜然的人，or或者 a member of the Azerbaijani people亞塞拜然這個民族的一員（many of whom live in northern Iran, not in the country at all其中很多人住在伊朗北部，根本不在這個國家裡）。

As a noun for a language: Azerbaijani is a Turkic language, a close relative of Turkish.

As a noun for a language當作指語言的名詞時：Azerbaijani is a Turkic languageAzerbaijani 是一種突厥語族的語言，a close relative of Turkish跟土耳其語是近親。

As an adjective: Azerbaijani food, an Azerbaijani passport, the Azerbaijani team.

As an adjective當作形容詞時：Azerbaijani food亞塞拜然菜、an Azerbaijani passport亞塞拜然護照、the Azerbaijani team亞塞拜然代表隊。

You will also meet the shorter form Azeri. Most of the time the two are interchangeable, but they are not perfectly equal: Azerbaijani leans towards 'of the country, a citizen', while Azeri leans towards 'of the ethnic group and its language'. Some speakers care about that difference a great deal, especially when talking about Azerbaijanis in Iran, so if you are unsure, Azerbaijani is the safer choice in writing.

You will also meet你也會遇到 the shorter form Azeri比較短的說法 Azeri。Most of the time大部分時候，the two are interchangeable這兩個字可以互換，but不過 they are not perfectly equal並不是完全相等：Azerbaijani leans towards 'of the country, a citizen'Azerbaijani 比較偏向「這個國家的、國民」，while而 Azeri leans towards 'of the ethnic group and its language'Azeri 比較偏向「這個民族和它的語言」。Some speakers care about that difference a great deal有些人非常在意這個差別，especially when talking about Azerbaijanis in Iran尤其是在談伊朗境內的亞塞拜然人時，so所以 if you are unsure如果你不確定，Azerbaijani is the safer choice in writing寫作時用 Azerbaijani 比較保險。

One more wrinkle worth knowing: the language has been written in three different alphabets within living memory — Arabic script, then Cyrillic under Soviet rule, then Latin letters after 1991. Older books in the language can look completely unlike newer ones.

One more wrinkle worth knowing還有一點值得知道：the language has been written in three different alphabets within living memory這個語言在近代就用過三種不同的字母系統——Arabic script阿拉伯字母、then Cyrillic under Soviet rule接著是蘇聯時期的西里爾字母、then Latin letters after 1991然後1991年後改用拉丁字母。Older books in the language以前用這個語言寫的書 can look completely unlike newer ones可能長得跟新書完全不一樣。

Plural of the person-noun is Azerbaijanis. Always capitalised.

Plural of the person-noun表示人的這個名詞複數是 is AzerbaijanisAzerbaijanis。Always capitalised永遠要大寫。