1. 部分
    A proportion of a group or an amount is a part of it.

    e.g. A large proportion of the dolphins in that area will eventually die...
           那片区域里的很大一部分海豚终将死去。
    e.g. A proportion of the rent is met by the city council.
           一部分租金由市政委员会支付。

2. 比例
    The proportion of one kind of person or thing in a group is the number of people or things of that kind compared to the total number of people or things in the group.

    e.g. The proportion of women in the profession had risen to 17.3%...
           从事该职业的女性比例已升高到17.3%。
    e.g. The radio station has to include a substantial proportion of classical music.
           该电台不得不播放大量的古典音乐。

3. 比例；比
    The proportion of one amount to another is the relationship between the two amounts in terms of how much there is of each thing.

    e.g. Women's bodies tend to have a higher proportion of fat to water.
           女性的身体内脂肪与水分的比例往往更高。

4. （通常指极其巨大的事物的）大小，尺寸
    If you refer to the proportions of something, you are referring to its size, usually when this is extremely large.

    e.g. In the tropics plants grow to huge proportions.
           在热带，植物会长得非常高大。
    e.g. ...a fraud of breathtaking proportions.
           金额惊人的诈骗案

5. （艺术品或设计的各部分之间的）比例
    If you refer to the proportions in a work of art or design, you are referring to the relative sizes of its different parts.

    e.g. You can vary the relative proportions of things in a picture very simply.
           你能很简单地改变一幅画中事物的相对比例。

6. 与…成比例；与…相称；按照
    If one thing increases or decreases in proportion to another thing, it increases or decreases to the same degree as that thing.

    e.g. The pressure in the cylinders would go up in proportion to the boiler pressure.
           汽缸内的压力会随着汽锅压力的增加而相应增加。

7. 与…相比
    If something is small or large in proportion to something else, it is small or large when compared with that thing.

    e.g. Children tend to have relatively larger heads than adults in proportion to the rest of their body.
           与成人相比，儿童头部占整个身体的比例相对较大。

8. 与…极不成比例；与…完全不相称
    If you say that something is out of all proportion to something else, you think that it is far greater or more serious than it should be.

proportion

    e.g. The punishment was out of all proportion to the crime.
           罚不当罪。

9. 过于看重/正确看待
    If you get something out of proportion, you think it is more important or worrying than it really is. If you keep something in proportion, you have a realistic view of how important it is.

proportion什么意思

    e.g. Everything just got blown out of proportion...
           所有一切都变得不可收拾了。
    e.g. We've got to keep this in proportion.
           我们应当正确对待这一点。

10. 区别轻重缓急的能力；分寸感；主次观念
    If someone has a sense of proportion, they know what is really important and what is not.

    e.g. We must not lose our sense of proportion.
           我们不能丧失主次观念。