deduct

/dɪˈdʌkt/ (bre, ipa) · /dɪˈdʌkt/ (ame, ipa) · /di-ˈdəkt dē-/ (ame, mw)

deduct — 動詞

  • deductpresent simple I / you / we / they
  • deductshe / she / it
  • deductedpast simple
  • deducting-ing form

1. to remove a stated amount such as money or points from a larger total in order t

1.動詞及物B1
釋義

扣除；減去

從總數中拿掉一筆數量

to remove a stated amount such as money or points from a larger total in order to get the final figure

例句

The airline deducted forty dollars from Brooke's refund for the change fee.

航空公司因改票費，從 Brooke 的退款中扣除了四十美元。

deduct + amount + from + payment

After tax was deducted, Wei took home much less than expected.

扣掉稅之後，Wei 實拿的錢比預期少得多。

passive: be deducted from pay

同義詞
  • subtract

    the neutral math word; more general than deduct

  • withhold

    focuses on holding money back before paying it out

  • dock

    narrower and often used for cutting wages or marks as a penalty

反義詞
  • add

    puts an amount into the total instead of taking one out

  • credit

    adds money or points back to an account or score

文法句型

deduct + amount + from + total

deduct + fee / tax / points + from + payment

be deducted from + salary / bill / score

用法筆記

Usually used for money, fees, tax, marks, or other exact amounts. The amount removed normally comes before from, followed by the bill, salary, score, or total it is taken from.

常見錯誤

❌The store deducted the bill by ten dollars.
✅The store deducted ten dollars from the bill.
💡deduct usually names the removed amount first, then uses from before the total.
❌We deducted the cost to the total.
✅We deducted the cost from the total.
💡use from, not to, after the amount that is removed.

2. to decide that something is true by thinking carefully about the facts or signs

2.動詞及物C2
釋義

推知；推斷

根據線索得出結論

to decide that something is true by thinking carefully about the facts or signs you notice

例句

From the muddy shoes by the door, Emma deducted that the children had been outside.

從門邊那雙沾滿泥巴的鞋子，Emma 推知孩子們剛剛去過外面。

deduct from + evidence + that-clause

Diya deducted from the empty cage that the rabbit had escaped.

Diya 從空掉的籠子推斷兔子已經逃走了。

同義詞
  • deduce

    the more usual verb for reaching a conclusion by reasoning

  • infer

    common in formal writing when you draw a conclusion from facts

  • conclude

    broader; can describe reaching an end judgment of many kinds

文法句型

deduct + from + sign / fact + that-clause

deduct + from + evidence + that-clause

用法筆記

This sense is rare and formal. It is usually used with from plus a fact, sign, or piece of evidence, and many writers prefer deduce or infer in everyday English.

常見錯誤

❌We deducted the answer by guessing.
✅We deduced the answer from the clues.
💡this sense is about reaching a conclusion from evidence, not making a guess.
❌I deducted he was upset.
✅I deducted from his voice that he was upset.
💡this rare sense usually needs a clear source of evidence, often introduced by from.