1. 1aB1/ʌnˈnesəseri/ · /ʌnˈnesəsəri/不必要的;多餘的

    not needed, or more than you need.

    示範例句 · Example

    We can't afford any unnecessary delays on the school trip.

    逐字我們負擔不起任何不必要的延遲在學校旅行上。

    「unnecessary」是英文裡常見的「不需要、多餘」——東西或動作你用不到,或已經超過真正需要的量。它由 un-(不)加上 necessary(必要的)組成,所以核心意思可以想成「不是必要的」。necessary 用在「你真的需要」;unnecessary 用在「你其實不需要」,例如 unnecessary expense(多餘的花費)、an unnecessary risk(沒必要冒的風險)。句型 it is unnecessary to… 等於「不必做…」。

    常見搭配

    • totally / completely / entirely unnecessary

      完全不必要;根本多餘

      not needed at all; strongly unnecessary

      All that extra printing was completely unnecessary.

    • quite unnecessary

      相當不必要(英式客氣拒絕幫忙)

      not needed — often a polite British way to refuse help

      'I'll help you move that.' 'Thank you, but that's quite unnecessary.'

    • an unnecessary expense / cost

      不必要的花費/成本

      money spent on something you do not really need

      He thinks a new phone case every month is an unnecessary expense.

    • an unnecessary risk

      不必要的風險

      a chance of danger you do not need to take

      Neither team wants to take any unnecessary risks near the end of the game.

    • unnecessary delay

      不必要的延誤

      a wait that is not needed and wastes time

      Please avoid any unnecessary delay in handing in your form.

    • it is unnecessary to do something

      做某事是不必要的;不必做某事

      there is no need to do something

      It is unnecessary to wash the fruit twice if you already rinsed it well.

    意思相反

    necessaryneededessentialrequired

core核心畫面

Picture packing a bag and taking one thing back out: nothing breaks without it. The word marks whatever could be removed with no loss — not wrong, not harmful, simply not needed.

可以想成:行李打包好之後,又把一樣東西拿出來——少了它,什麼也不會出問題。這個字標的就是「拿掉也沒差」的那些東西:不是錯,也不是壞,只是不需要。

同家族的字

比較級 more unnecessary最高級 most unnecessary

意思相反

necessaryneededessentialrequired

原始詞典資料2 筆記錄

以下是外部詞典記錄的用法,摘錄並精簡格式,我們還沒有寫成教學內容。上面的說明才是我們自己寫的;有些用法可能上面已經講過了。

unnecessaryadj/ʌnˈnɛs.ə.s(ə)ɹɪ/

  • 1

    Not needed or necessary.

    • The automatic child-frightener made clowns unnecessary.
    • Every possible economy was carefully investigated and unnecessary expense, however small, eliminated. The company had no money to spare on "frills."
  • 2

    Done in addition to requirements; unrequired.

摘錄自 英文維基詞典 English Wiktionary,已精簡格式;依 CC BY-SA 4.0 授權使用,改動後的內容同樣以此授權提供。