1. （妇女的）乳房
    A woman's breasts are the two soft, round parts on her chest that can produce milk to feed a baby.

    e.g. She wears a low-cut dress which reveals her breasts...
           她穿了一件露乳沟的低胸连衣裙。
    e.g. As my newborn cuddled at my breast, her tiny fingers stroked my skin.
           我刚出生的宝宝蜷伏在我胸前，细小的手指触碰着我的肌肤。

2. 胸；胸部；胸膛
    A person's breast is the upper part of his or her chest.

    e.g. He struck his breast in a dramatic gesture.
           他动作夸张地捶打着自己的胸膛。

3. 胸怀；内心
    The breast is often considered to be the part of your body where your emotions are.

breast的翻译

    e.g. The verse rose up to fire his breast with inspiration...
           这首诗激发了他的灵感。
    e.g. The battle roared; a sound calculated to arouse the sublimest emotions in the breast of the soldier.
           战场上吼声震天，意在唤起士兵们最昂扬的斗志。

4. （鸟类的）胸脯
    A bird's breast is the front part of its body.

    e.g. The cock's breast is tinged with chestnut.
           这只公鸡胸部羽毛呈浅栗色，带有白色细条纹。

5. （衬衫、夹克或外套的）胸部
    The breast of a shirt, jacket, or coat is the part which covers the top part of the chest.

    e.g. He moved out from beneath an awning, reaching for something inside the breast of his overcoat...
           他离开遮阳篷，手伸进大衣前胸部找东西。
    e.g. He reached into his breast pocket for his cigar case.
           他把手伸进胸前口袋里拿雪茄烟盒。

6. （禽鸟或羊的）胸脯肉
    You can refer to piece of meat that is cut from the front of a bird or lamb as breast.

breast的意思

    e.g. ...a chicken breast with vegetables.
           鸡脯肉拌蔬菜
    e.g. ...breast of lamb.
           羊胸肉

7. see also: double-breasted;single-breasted

8. 捶胸（表示气愤或悲伤）
    If you say that someone beats their breast, you are emphasizing that they are very angry or upset about something, or that they are pretending to be very angry or upset about it.

breast的反义词

    e.g. The president beat his breast and called that deal a mistake.
           总裁捶胸顿足，称那是个错误的交易。

9. 坦白；如实承认
      If you make a clean breast of something, you tell someone the truth about yourself or about something wrong that you have done.

      e.g. I might as well make a clean breast of it. I have been living as a woman since 1975.
             我还是坦白的好。我从1975起就变成女人了。