vi.

1. （火焰）闪耀；（摇曳不定地）燃烧；闪亮[（+up/out）]
   The fire flared out brightly.

   火光闪亮。

2. （女裙等）呈喇叭形展开
   The full skirt flared out.

   那条宽下摆女裙呈喇叭形展开。

3. （船舷）外倾
4. 突然发怒（或激动）[（+at）]
   He flared at his wife.

   他突然对妻子发起火来。

vt.

1. 使闪亮，使闪闪地燃烧
   The breeze flared the candle.

   微风吹得烛光闪动。

2. 用发光信号发出
   The rockets flared a warning.

   火箭发出闪光警告。

3. 使（女裙等）呈喇叭形展开
4. 使（船舷）外倾

n.[C]

1. （瞬间的）闪耀的火光；摇曳的火焰[S]
   The match gave a flare.

   火柴发出闪光。

2. 闪光信号，照明弹；照明灯
   The wrecked ship was firing flares to attract the attention of the coastguards.

   遇难船正发射信号弹以引起海岸警卫队的注意。

3. （怒气等的）爆发
4. （衣裙等的）呈喇叭形展开（或展开部分）
5. （太阳的）耀斑

n.

1. a sudden brief burst of flame or light.
2. a device producing a very bright flame as a signal or marker.
3. a sudden burst of intense emotion.
4. Photography  extraneous illumination on film caused by internal reflection in the camera.
5. a gradual widening towards the hem of a garment.
   ▸ (flares) trousers of which the legs widen from the knees down.
6. an upward and outward curve of a ship's bows.

v.

1. burn, shine, or be revealed with a sudden intensity.
2. (usu. flare up) suddenly become intense, angry, or violent.
3. gradually become wider at one end.
   ▸(of the nostrils) dilate.