flare

flare — verb

1. If a flame or fire flares, it suddenly becomes brighter and burns with an unstea

1.動詞不及物B1
釋義

If a flame or fire flares, it suddenly becomes brighter and burns with an unsteady light, often for just a few moments before fading or going out.

例句

The campfire flared up when Indra added dry leaves to it.

phrasal pattern: flare up (of fire)

A match flared briefly in the dark room before going out.

同義詞
  • blaze

    suggests a stronger, more sustained flame than flare

  • flash

    quicker and brighter, usually a single burst of light

  • flicker

    implies a weak, wavering flame, not a sudden bright burst

反義詞
  • dwindle

    to gradually become smaller or less bright

  • die down

    to slowly lose strength and fade away

文法句型

flare

flare up

用法筆記

Often used with 'up' to emphasise the suddenness of the burst of flame. 'Flare up' can also describe a fire that has been dampened or nearly out and reignites briefly.

常見錯誤

The fire flared for hours without stopping.
The fire flared for a few seconds before dying down.
💡'flare' describes a brief or unsteady burning, not a steady, long-lasting flame.

2. When something unpleasant — such as fighting, a medical condition, or a strong e

2.動詞不及物B2
釋義

When something unpleasant — such as fighting, a medical condition, or a strong emotion — flares or flares up, it starts again suddenly or becomes much more serious after a period of being quiet or controlled.

例句

The violence between the two communities flared up again after the court decision.

phrasal pattern: flare up (of conflict)

Yuki's back pain flares every time she sits at the computer for too long.

intransitive: pain flares

同義詞
  • erupt

    more dramatic and sudden; often used for violence or emotion

  • intensify

    focuses on increasing strength rather than sudden onset

  • reignite

    specifically about something returning after a pause

反義詞

文法句型

flare up

flare

用法筆記

The form 'flare up' is more common than 'flare' alone for this sense. Subjects are usually negative: violence, conflict, tension, anger, pain, disease, or an old problem. Not used for positive situations — a party does not 'flare up'.

常見錯誤

The celebration flared up when the music started.
The celebration got more exciting when the music started.
💡'flare up' is only used for negative or unpleasant situations.
My excitement flared when I saw the gift.
My excitement grew when I saw the gift.
💡'flare' implies sudden worsening, not joyful increase.

3. to become gradually broader towards the bottom or at one end — for example, when

3.動詞及物 / 不及物B1
釋義

to become gradually broader towards the bottom or at one end — for example, when a person's nostrils spread wider in anger, or the lower part of a skirt is cut to be wider than the top.

例句

The horse's nostrils flared when it caught the scent of water.

intransitive: body part flares

Élise bought a skirt that flares out just below the knee.

intransitive: clothing flares

同義詞
  • widen

    more general, not specific to one end of something

  • spread

    emphasises outward movement in all directions

  • expand

    suggests increase in overall size, not just at the end

反義詞
  • narrow

    to become less wide

  • tighten

    to become narrower or more closed

文法句型

nostrils flare

trousers / skirt flares

flare one's nostrils

用法筆記

When used transitively, the object is almost always 'nostrils'. The intransitive use is more common and describes either a body part (nostrils) or an item of clothing (skirt, trousers) that widens towards the bottom.

常見錯誤

She flared her eyes in surprise.
She flared her nostrils in surprise.
💡'flare' is used for nostrils, not for eyes.

flare — noun