faults

IPA/fɒlt/
KK[fˈɔlts]IPA/fɑːlt/

faults — noun

  • faultssingular
  • faultsesplural

1. a specific wrong action or decision that can be separated from other actions and

1.名詞B1
釋義

a specific wrong action or decision that can be separated from other actions and counted — for example, a miscalculation, a design problem, or an error in a report

例句

The cashier found two faults in the calculation, so the total was wrong.

faults in + noun phrase (calculation, design, report)

Manuela admitted the fault was hers after she forwarded the wrong document.

同義詞
  • mistake

    general word for any wrong action; does not always carry blame

  • error

    more formal than fault; often used in writing, computing, or statistics

  • shortcoming

    focuses on not reaching a standard rather than on blame

反義詞
  • success

    a good result with no mistakes

  • triumph

    a major positive achievement

用法筆記

Countable: you can say 'a fault' or 'three faults' to refer to individual wrong actions. The uncountable RESPONSIBILITY sense (index 5) does not allow an article and appears only in possessive structures like 'it is my fault.'

常見錯誤

The fault is belongs to me.
The fault is mine.' or 'The fault belongs to me.
💡Do not combine 'is' and 'belongs to' in this construction.

2. a part of a person's nature that makes them less good or less easy to like — for

2.名詞B1
釋義

a part of a person's nature that makes them less good or less easy to like — for example, being selfish, impatient, or dishonest

例句

Adina's only real fault is that she talks too much during meetings.

someone's + only/serious/main + fault + is that-clause

Greed is a serious fault that can destroy friendships and trust.

同義詞
  • flaw

    very similar; flaw is slightly softer and more neutral

  • weakness

    focuses on lack of strength rather than moral failure

  • defect

    more common for objects than for people; sounds harsher on a person

反義詞
  • virtue

    a good moral quality

  • strength

    a positive part of someone's character

用法筆記

Describes a lasting part of a person's personality, not a one-time mistake. Compare with the MISTAKE sense (index 1).

3. a broken or weak part inside a machine, system, or piece of equipment that stops

3.名詞B2
釋義

a broken or weak part inside a machine, system, or piece of equipment that stops it working properly

例句

A fault in the wiring caused the lights to go out across the office.

fault in + part of a machine/system

The mechanic traced the strange noise to a fault in the gearbox.

同義詞
  • defect

    stronger emphasis on the thing being imperfect or broken

  • flaw

    often a small imperfection that does not stop the device working entirely

  • glitch

    informal; a temporary or small problem, especially in software

反義詞

用法筆記

Unlike sense 2, this sense describes a technical or physical problem, not a personal quality.

4. a serve in tennis, volleyball, and similar net sports that fails to land inside

4.名詞B1
釋義

a serve in tennis, volleyball, and similar net sports that fails to land inside the proper area of the court, causing the server to lose a point or try again

例句

Sora double-faulted twice in the final game and lost the match.

double-fault: two faults in a row

The umpire called a fault when the ball landed just outside the service box.

用法筆記

When a player serves two faults one after the other, this is called a 'double fault' and the server loses the point.

5. uncountable noun expressing the abstract condition of being the person who cause

5.名詞A2
釋義

uncountable noun expressing the abstract condition of being the person who caused something bad to happen; only used in possessive constructions such as 'it is my fault' without the article 'a'

例句

The crash was the driver's fault because he ran a red light.

be + someone's + fault + because-clause

Indra said the argument was entirely her fault and apologized to her brother.

同義詞
  • blame

    similar in meaning; 'take the blame' is common, but 'blame' is less often used in the 'it is X's blame' construction

  • responsibility

    broader; can be about positive duties, while fault is only about negative outcomes

反義詞
  • credit

    the praise for a good result

文法句型

be + possessive + fault

用法筆記

Always takes a possessive determiner (my, his, their) or 'of': 'the fault of the government.' Unlike sense 1, this sense is uncountable and never takes an article ('a fault').

常見錯誤

It is fault of mine.
It is my fault.
💡The possessive must come before 'fault' without 'of.'
It is a fault that we are late.
It is my fault that we are late.
💡This sense needs a possessive determiner.

6. the object of criticism in the fixed phrase 'find fault with,' which means to ke

6.名詞B2
釋義

the object of criticism in the fixed phrase 'find fault with,' which means to keep noticing and complaining about things that are wrong, especially small or unimportant ones

例句

Ayana's supervisor is always finding fault with her work, even when it is excellent.

find fault with + someone's work/effort/report

It is easy to find fault with others but harder to see your own mistakes.

同義詞
  • criticize

    more direct and general; 'find fault with' suggests unfair or overly careful criticism

  • nitpick

    informal; means to criticize very small, unimportant details

反義詞

文法句型

find fault with + noun phrase

用法筆記

This sense of 'fault' appears almost only in the fixed phrase 'find fault with + object.' Do not use 'fault' alone to mean 'criticism.'

常見錯誤

She made a fault about my report.
She found fault with my report.
💡Use 'find fault with,' not 'make a fault about.'

7. a break in planetary rock where sections on either side have shifted in opposite

7.名詞B2
釋義

a break in planetary rock where sections on either side have shifted in opposite directions, often linked to earthquake activity

例句

The San Andreas Fault runs for hundreds of miles through California.

proper noun: [Name] Fault

Geologists study ancient faults to predict where earthquakes might happen.

同義詞
  • fracture

    a more general term for any crack in rock, not necessarily with movement

  • crack

    a simpler, non-technical word for any split in a surface

用法筆記

In this technical sense 'fault' is often capitalized when it is part of a proper name (e.g., the San Andreas Fault).

faults — verb