Farsi is the main language of Iran. Many English speakers also call it Persian, and that is not a different language — it is the older English name. Farsi is what the language calls itself.

FarsiFarsi is the main language of Iran是伊朗的主要語言。Many English speakers also call it Persian很多說英文的人也叫它 Persian, and that is not a different language那不是另一種語言 — it is the older English name只是比較早的英文名稱。FarsiFarsi is what the language calls itself是這個語言自己的稱呼。

Though actually, people argue about the English word: some Iranians like Farsi, while some teachers prefer Persian because it also covers close kinds of the language spoken in Afghanistan and Tajikistan. For a learner, both names point to the same thing: Iran’s language.

Though actually不過其實, people argue about the English word大家對這個英文字有些爭論: some Iranians like Farsi有些伊朗人喜歡用 Farsi, while some teachers prefer Persian而有些老師偏好用 Persian because it also covers close kinds of the language spoken in Afghanistan and Tajikistan因為它也涵蓋阿富汗和塔吉克說的相近語言。For a learner對學習者來說, both names point to the same thing這兩個名字指的是同一件事: Iran's language伊朗的語言。

English only started using Farsi widely in the late 1960s or early 1970s.

English英文 only started using Farsi widely一直到...才開始廣泛使用 Farsi 這個字 in the late 1960s or early 1970s1960年代末或1970年代初。

Iran’s everyday language is not Arabic, even though the writing system is related and Arabic is used in religion.

Iran's everyday language伊朗的日常語言 is not Arabic不是阿拉伯語, even though the writing system is related and Arabic is used in religion儘管書寫系統跟阿拉伯文有關，而且阿拉伯語也用在宗教上。