This word does three jobs, all built the same way from the country name. As an adjective, it means “of Estonia”: Estonian forests, Estonian history, Estonian design. As a noun, it means a person from Estonia: she is Estonian. As a noun, it also means the language.

This word does three jobs這個字有三種用法 all built the same way from the country name都是用同樣的方式從國名變出來的 As an adjective當形容詞用時 it means "of Estonia"意思是「愛沙尼亞的」 Estonian forests, Estonian history, Estonian design像Estonian forests（愛沙尼亞的森林）、Estonian history（愛沙尼亞歷史）、Estonian design（愛沙尼亞設計） As a noun當名詞用時 it means a person from Estonia意思是愛沙尼亞人 she is Estonian例如she is Estonian（她是愛沙尼亞人） As a noun, it also means the language當名詞用時，它也可以指愛沙尼亞語這個語言

Though actually, this is the sense that needs saying out loud. Estonian is close to Finnish. It is not like Russian, Latvian, or Lithuanian, even though the countries sit near each other. The map makes that guess; the language does not.

Though actually不過其實 this is the sense that needs saying out loud這個語言的意思特別需要講清楚 Estonian is close to Finnish愛沙尼亞語跟芬蘭語很接近 It is not like Russian, Latvian, or Lithuanian它不像俄語、拉脫維亞語、或立陶宛語 even though the countries sit near each other儘管這些國家的地理位置很接近 The map makes that guess地圖會讓你這樣猜 the language does not但語言其實不是這樣

People also say Estonian for food, music, and citizenship in a loose way, the same way they say French. If you mean the language, it helps to make that clear: “She speaks Estonian.” Always a capital E.

People also say Estonian for food, music, and citizenship人們也會用Estonian來說食物、音樂、國籍 in a loose way用得比較籠統 the same way they say French就像他們說French（法國的）一樣 If you mean the language如果你指的是語言 it helps to make that clear最好講清楚 "She speaks Estonian."像「She speaks Estonian.」（她說愛沙尼亞語） Always a capital E而且E永遠要大寫