colourless

colourless — 形容詞

1. If a liquid, gas, or other substance is colourless, it shows no colour in its ap

1.形容詞B1
釋義

無色

完全沒有顏色的

If a liquid, gas, or other substance is colourless, it shows no colour in its appearance — clear water and clean air are everyday examples; when describing a person's face, the word means extremely pale, usually because of fear, shock, or illness.

例句

The liquid was completely colourless, so the scientist could not tell which chemical it was.

液體完全無色，科學家無法判斷是哪一種化學物質。

colourless liquid — literal use with substances

Aiko's face turned colourless when she heard the terrible news about the earthquake.

Aiko 聽到地震的壞消息時，臉色變得慘白。

face turns colourless — describing sudden paleness

同義詞
  • transparent

    focuses on being see-through rather than lacking colour

  • clear

    can also mean free of cloudiness or impurities

  • pale

    still has some colour but very faint; less extreme than colourless

反義詞

文法句型

be + colourless

turn/go + colourless

用法筆記

Frequently describes liquids, gases, and other physical substances. When describing a person's complexion, 'turned colourless' or 'went colourless' is the typical collocation, often following a sudden shock or illness.

常見錯誤

❌He wore a colourless shirt to work.
✅He wore a plain white shirt to work.
💡'colourless' is rarely used for ordinary clothing; 'plain' or 'white' are more natural.

2. If a person, event, piece of writing, or place is colourless, it is dull and uni

2.形容詞B2
釋義

無趣；平淡

乏味、不精彩的

If a person, event, piece of writing, or place is colourless, it is dull and uninteresting — completely lacking any quality that would make someone feel engaged, excited, or curious.

例句

The manager's colourless speech put most of the staff to sleep before lunch.

經理乏味的演講讓大部分員工在午餐前昏昏欲睡。

colourless speech — describing dull public speaking

Beatriz found the film colourless and turned it off after twenty minutes.

Beatriz 覺得這部電影很無趣，二十分鐘後就關掉了。

find + noun + colourless — opinion structure

同義詞
  • dull

    very similar meaning; slightly more common in everyday speech

  • bland

    suggests lack of strong character, especially for food or personality

  • uninteresting

    more direct and literal; less expressive than colourless

反義詞
  • colourful

    full of interest and variety; the direct figurative opposite

  • lively

    full of energy and excitement

  • exciting

    causing strong interest or enthusiasm

文法句型

be + colourless

find + noun + colourless

用法筆記

Typically describes speeches, writing, performances, personalities, or cultural events. The word implies a complete absence of engaging qualities rather than simply being mildly boring. Common in reviews and critical opinions.

常見錯誤

❌The party was colourless, but I stayed anyway.
✅The party was colourless, so I left early.
💡'colourless' means so dull that it is actively off-putting; it does not mean merely average.