impurity

impurity — 名詞

1. an unwanted material inside a substance, such as a tiny amount of a different su

1.名詞B2
釋義

雜質；不純

使物質不潔或有損品質的物質；不純淨的狀態

an unwanted material inside a substance, such as a tiny amount of a different substance that reduces quality or makes it unsafe; also the fact of containing such material

例句

Gabriel tested the river water and found impurities from a nearby factory.

Gabriel 檢測了河水，發現附近工廠排放的雜質。

verb 'found' + impurities from [source]

The factory's filters remove most impurities before the water is released.

工廠的濾網在排放水之前會去除大部分的雜質。

同義詞
  • contaminant

    more specific — implies the material is harmful or makes something unfit for use

  • pollutant

    narrower — specifically for substances that damage the natural environment

  • adulterant

    technical — a substance deliberately added to lower quality, often in food or fuel

反義詞
  • purity

    the state of being free from unwanted materials

文法句型

impurity (countable, a specific unwanted substance)

impurity (uncountable, the state of being impure)

用法筆記

Subject is usually a substance (water, metal, fuel, air) or the material being purified. The countable form ('an impurity', 'impurities') refers to specific unwanted particles or substances, while the uncountable form ('impurity') denotes the state or condition.

常見錯誤

❌The water has many impurity.
✅The water has many impurities.
💡When referring to specific unwanted particles or substances, use the countable plural form.

2. thoughts about sex or sexual acts viewed as sinful or morally unacceptable in a

2.名詞C1
釋義

邪念；不淨

宗教上認為不正當的性念頭或行為

thoughts about sex or sexual acts viewed as sinful or morally unacceptable in a religious context

例句

The old monk prayed daily to keep his thoughts free from impurity.

老和尚每天祈禱，希望自己的念頭能免於邪念。

keep [possessive] thoughts free from + impurity

Benjamin's grandmother taught him that impurity of the heart was worse than breaking any rule.

Benjamin 的祖母教導他，心中的邪念比違反任何規則還要嚴重。

同義詞
  • sin

    broader — covers all wrongdoing, not exclusively sexual thoughts or acts

  • uncleanness

    archaic or biblical register, more intense religious connotation

  • immorality

    broader — refers to any behaviour against moral principles, not only sexual

反義詞
  • purity

    freedom from moral or sexual wrongdoing, especially in a religious sense

  • virtue

    positive moral quality or behaviour, active goodness rather than mere absence of fault

文法句型

impurity (uncountable, moral or religious context)

用法筆記

Frequently appears in religious, moral, or spiritual contexts. This sense is almost always uncountable — the plural form 'impurities' in moral contexts is rare and typically indicates a shift back to the physical sense.

常見錯誤

❌She confessed all her impurities to the priest.
✅She confessed her impurity to the priest.
💡In the moral or religious sense, 'impurity' is uncountable and should not be pluralised.