therein

IPA/ˌðeərˈɪn/
KK[ðɛrˈɪn]IPA/ˌðerˈɪn/

therein — 副詞

1. inside the specific thing, place, or piece of writing that has just been mention

1.副詞C1
釋義

在其中

在先前提到的地點、物品或文件中

inside the specific thing, place, or piece of writing that has just been mentioned — a formal word found mostly in legal, literary, or official documents.

例句

Apinya unlocked the iron chest and examined the jewelry stored therein.

Apinya 打開鐵箱,檢查存放在其中的珠寶。

therein for physical contents of a container

The government report was damning, and the data therein revealed widespread corruption.

那份政府報告內容嚴厲,其中的數據揭露了大規模的貪腐。

同義詞
  • inside

    Everyday equivalent; preferred in spoken and informal contexts.

  • within

    Moderately formal; 'within the document' is less formal than 'therein' but still appropriate in semi-formal writing.

  • in it

    The usual neutral equivalent in both spoken and written English; 'therein' sounds markedly formal by comparison.

反義詞
  • outside

    Opposite location; used in the same grammatical position as 'inside' — 'the items outside' vs 'the items therein'.

文法句型

therein follows a noun (the book therein / the data therein)

therein after a verb of location (lies therein / contained therein)

用法筆記

Only used in formal, legal, or literary writing. In everyday speech, 'in it' or 'in there' is preferred. The word is anaphoric — it always refers back to a noun that was already mentioned in the same sentence or the preceding sentence.

常見錯誤

I put my keys therein.
I put my keys in there.
'therein' sounds unnatural in casual conversation; it belongs only in formal writing.
The problem therein is the cost.
The cost is the problem here.
'therein' cannot stand alone as a subject or as a substitute for a whole clause; it must refer back to a specific noun already named.
慣用語

used to introduce or emphasise the result, problem, or important point of a situation that has just been described

問題/關鍵就在於

The company expanded too quickly, and therein lies the source of its financial troubles.

Reema believed the plan was perfect, but therein lay the real danger.

This phrase is used to point out the main reason or result of a situation.

問題就在於

Maya never practiced, and therein lies the reason for her failure.

The team lacked communication, and therein lies the problem.

同根字

常見搭配

常用片語

  • contained therein
  • mentioned therein
  • described therein
  • set forth therein
  • stored therein
  • hidden therein