1. 闪光信号灯;照明弹
    A flare is a small device that produces a bright flame. Flares are used as signals, for example on ships.

    e.g. ...a ship which had fired a distress flare.
           发出遇险信号弹的一艘船

2. (火)突然烧旺，突然熊熊燃烧
    If a fire flares, the flames suddenly become larger.

    e.g. Camp fires flared like beacons in the dark.
           营火突然熊熊燃烧起来，看上去就像黑暗中的航标灯。

3. (麻烦、暴乱、冲突等)加剧，升级，愈演愈烈
    If something such as trouble, violence, or conflict flares, it starts or becomes more violent.

    e.g. Even as the President appealed for calm, trouble flared in several American cities.
           尽管总统呼吁保持冷静，美国一些城市的骚乱仍有所升级。

4. 发怒;发火
    If people's tempers flare, they get angry.

    e.g. Tempers flared and harsh words were exchanged.
           怒气突然爆发，人们开始恶言相向。

5. (常因气愤或难过而)张大(鼻孔),(鼻孔)张开
    If someone's nostrils flare or if they flare them, their nostrils become wider, often because the person is angry or upset.

    e.g. I turned to Jacky, my nostrils flaring in disgust...
           我转过身厌恶地看着杰基，鼻翼呼呼地翕动着。
    e.g. He stuck out his tongue and flared his nostrils.
           他伸出舌头，鼻翼扇动着。

6. (连衣裙等)底部展开，呈喇叭形展开
    If something such as a dress flares, it spreads outwards at one end to form a wide shape.

    e.g. ...a simple black dress, cut to flare from the hips.
           一条简洁的黑裙，剪裁成从胯部向外展开的式样

7. 喇叭裤
    Flares are trousers that are very wide at the bottom.

flare的反义词

8. (疾病、伤势)突然复发，突然恶化
    If a disease or injury flares up, it suddenly returns or becomes painful again.

flare的反义词

    e.g. Students often find that their acne flares up before and during exams.
           学生们经常发现在考前和考试期间他们的粉刺会严重起来。

相关词组：flare up