"Thereof" means "of that" or "of it", pointing back to something already named. It comes AFTER the noun it belongs to: "the house and the contents thereof" = the contents of the house.

"Thereof"「Thereof」 means "of that" or "of it"意思是「of that」或「of it」，pointing back to something already named指回已經提過的東西。It comes AFTER the noun it belongs to它會放在它所屬的名詞後面："the house and the contents thereof"「the house and the contents thereof」= the contents of the house等於the contents of the house。

"He read the report and questioned the accuracy thereof." It is a formal, legal-sounding word, and its whole job is to avoid repeating a long name — instead of "the accuracy of the Nineteenth Annual Environmental Impact Report", you write "the accuracy thereof".

"He read the report and questioned the accuracy thereof."「He read the report and questioned the accuracy thereof.」It is a formal, legal-sounding word它是一個正式、聽起來像法律用語的字，and its whole job is to avoid repeating a long name整個功能就是避免重複一個很長的名稱——instead of "the accuracy of the Nineteenth Annual Environmental Impact Report", you write "the accuracy thereof"與其寫「the accuracy of the Nineteenth Annual Environmental Impact Report」，你會寫「the accuracy thereof」。

You will find it in contracts, laws, wills, technical writing, and the Bible. In everyday English people just say "of it", "its", or "of them".

You will find it in contracts, laws, wills, technical writing, and the Bible你會在合約、法律、遺囑、技術寫作，還有聖經裡看到它。In everyday English在日常英文裡，people just say "of it", "its", or "of them"人們就只會說「of it」、「its」，或「of them」。

One phrase escaped into normal speech and you should know it: "or some variation thereof", meaning "or something like that" — "He said he was tired, or some variation thereof." People use that one half-jokingly, enjoying the stiff sound.

One phrase escaped into normal speech and you should know it有一個片語逃進了日常口語，你應該知道它："or some variation thereof"「or some variation thereof」，meaning "or something like that"意思是「或類似的東西」——"He said he was tired, or some variation thereof."「He said he was tired, or some variation thereof.」People use that one half-jokingly, enjoying the stiff sound人們用這個片語時帶點開玩笑的味道，享受它那種生硬的語感。