at length

at length — 慣用語

1. continuing for a considerable amount of time, especially when someone is talking

1.慣用語B2
釋義

長時間地

持續很長一段時間,尤指談話或書寫

continuing for a considerable amount of time, especially when someone is talking, explaining, or writing about something

例句

Brandon and his father spoke at length about which universities had the best science programmes.

Brandon 和父親長時間討論了哪些大學的科學課程最強。

speak at length + about [topic]

The two friends sat on the park bench and talked at length about their schooldays.

兩位老友坐在公園長椅上,聊了好久以前的學生時代。

同義詞
  • for a long time

    more common in everyday speech; at length is slightly more formal

  • at great length

    adds emphasis, suggesting the duration was notably long

文法句型

speak/talk/discuss/write/chat + at length

2. finally happening after a period of waiting, searching, or sustained effort — us

2.慣用語B2
釋義

終於;過後

歷經等待或努力後終於發生

finally happening after a period of waiting, searching, or sustained effort — used when the delay felt long and the outcome was uncertain or hoped for

例句

At length, the bus appeared around the corner after nearly an hour of waiting.

過了許久,公車終於在轉角出現,他們已經等了將近一小時。

at length, + [event] — sentence-initial for delayed occurrence

The doctor came out at length and told Sana the surgery had gone well.

過了許久醫生才出來,告訴 Sana 手術很順利。

同義詞
  • finally

    the everyday choice; at length is more literary or formal

  • eventually

    more neutral; at length carries a stronger sense that the wait felt long

  • at last

    very close in meaning but more common in speech than in writing

  • after a while

    less formal, suggests a shorter wait than at length

文法句型

at length, + [event happened]

[effort/wait] + and at length + [result]

用法筆記

Covers any situation where something happens after a delay — whether the delay is passive waiting (a bus, test results), active searching (lost keys), or sustained struggle (a marathon). More literary than 'finally' or 'at last'.

3. going into all the important parts of a subject so that nothing significant is s

3.慣用語C1
釋義

詳盡地

完整而透徹地說明或描述

going into all the important parts of a subject so that nothing significant is skipped — the focus is on completeness, not on how long it takes

例句

Asher explained his volcano experiment at length to the group of wide-eyed younger students.

Asher 向那群瞪大眼睛的年幼學生詳盡解釋了他的火山實驗。

explain at length + to [audience]

The travel guide describes at length every temple and market in the old city.

這本旅遊指南詳盡描述了舊城區的每座寺廟和每個市場。

同義詞
  • in detail

    more common in everyday speech; at length sounds more formal or written

  • thoroughly

    single-word alternative; at length implies the explanation took time as well as care

  • comprehensively

    stresses completeness; at length adds a sense of duration to the thoroughness

文法句型

explain/describe/write/set out + at length

用法筆記

Most often used with verbs of explaining or describing. Not typically used with action verbs.